Student Resources

WD40 – Contact Cleaner

Clean and protect sensitive electrical parts with ease using WD-40 Specialist Contact Cleaner. This powerful formula quickly removes oil, dirt, dust, flux residue, and moisture, improving electrical contact on components and degreasing power tools. Safe to use on a range of materials including printed circuit boards, controls, metals, plastic, and rubber, this cleaner boasts a fast-evaporating formula with a dielectric strength of 33000v to protect electrical flow. Optimise the performance of your electrical equipment with WD-40 Specialist Contact Cleaner. Job done.

Currents & Circuits

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be:","_questions_2_question":"field_propa_block_quiz_question","questions_2_choices_0_choice":"60 V","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"600 V","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices_2_choice":"6 V","_questions_2_choices_2_choice":"field_propa_block_quiz_question_choice","questions_2_choices_3_choice":"6000 V","_questions_2_choices_3_choice":"field_propa_block_quiz_question_choice","questions_2_choices":4,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"60 V","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":6864,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"The voltage across two resistors connected in parallel is:","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"A ratio of the resistances","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"Doubled","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"Halved","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"The same","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"The same","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":6863,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"The current flowing in a circuit rated at 2.75 kW, 110 V is:","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"250 A","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"40 A","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"25 A","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"302.5 A","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"25 A","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":6862,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"What is the peak value of a voltage of 230 V rms?","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"325 V","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"230 V","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"460 V","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"115 V","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"325 V","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":6861,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"A fault current is 30 A. The time to disconnect a 6 A type C circuit-breaker is:","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"0.1 s","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"14 s","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"1 s","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"0.4 s","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"14 s","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":6860,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"In a balanced 3-phase system the neutral current will be:","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"Sum of all currents","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"Product of all currents","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"0 A","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"Total current divided by 3","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"0 A","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":6859,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"The minimum permitted csa for a buried earthing conductor is:","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"16 mm2","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"25 mm2","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"10 mm2","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"2.5 mm2","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"2.5 mm2","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":6858,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"If I=100 A, t=3.4 s and k=115. S=?","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"1.6 mm2","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"2.9 mm2","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices_2_choice":"1 mm2","_questions_9_choices_2_choice":"field_propa_block_quiz_question_choice","questions_9_choices_3_choice":"2.5 mm2","_questions_9_choices_3_choice":"field_propa_block_quiz_question_choice","questions_9_choices":4,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"1.6 mm2","_questions_9_answer":"field_propa_block_quiz_answer","questions_10_image":6857,"_questions_10_image":"field_propa_block_quiz_image","questions_10_question":"AFDDs are required to be fitted on:","_questions_10_question":"field_propa_block_quiz_question","questions_10_choices_0_choice":"Ring circuit only","_questions_10_choices_0_choice":"field_propa_block_quiz_question_choice","questions_10_choices_1_choice":"Radial circuits only","_questions_10_choices_1_choice":"field_propa_block_quiz_question_choice","questions_10_choices_2_choice":"All circuits supplying socket-outlets","_questions_10_choices_2_choice":"field_propa_block_quiz_question_choice","questions_10_choices_3_choice":"All circuits up tp 32 A","_questions_10_choices_3_choice":"field_propa_block_quiz_question_choice","questions_10_choices":4,"_questions_10_choices":"field_propa_block_quiz_choices","questions_10_answer":"All circuits supplying socket-outlets","_questions_10_answer":"field_propa_block_quiz_answer","questions_11_image":6856,"_questions_11_image":"field_propa_block_quiz_image","questions_11_question":"The minimum permitted csa for lighting and power circuits is:","_questions_11_question":"field_propa_block_quiz_question","questions_11_choices_0_choice":"0.75 mm2","_questions_11_choices_0_choice":"field_propa_block_quiz_question_choice","questions_11_choices_1_choice":"2.5 mm2","_questions_11_choices_1_choice":"field_propa_block_quiz_question_choice","questions_11_choices_2_choice":"1.0 mm2","_questions_11_choices_2_choice":"field_propa_block_quiz_question_choice","questions_11_choices_3_choice":"1.5 mm2","_questions_11_choices_3_choice":"field_propa_block_quiz_question_choice","questions_11_choices":4,"_questions_11_choices":"field_propa_block_quiz_choices","questions_11_answer":"1.0 mm2","_questions_11_answer":"field_propa_block_quiz_answer","questions":12,"_questions":"field_propa_block_quiz_questions"}
12 Questions
Scolmore
Level 2

Electrical Technology: Consumer Installations 1

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cables should go over joists","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"As level as possible","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":3569,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"How long are 'safety of life systems' usually fire resistant for?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"30 minutes","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"60 minutes","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"90 minutes","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"120 minutes","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"120 minutes","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":3570,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"What is ladder racking mainly used for?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"Single insulated cables","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"Soft-skinned cables","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"Data cabling","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"Armoured cables","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"Armoured cables","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3571,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"Which of these is NOT a material used for conduit systems?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"Rubber","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"Galvanised metal","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"Plastic","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"Stainless steel","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"Rubber","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":3572,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"TRUE OR FALSE: Once dado trunking systems are installed, they cannot be changed","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"True","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"False","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices":2,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"False","_questions_9_answer":"field_propa_block_quiz_answer","questions":10,"_questions":"field_propa_block_quiz_questions"}
10 Questions
Schneider Electric
Level 3

Practices and procedures for overseeing and organising the work environment

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traced","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"Can be listened to","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"Is readable","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"Contains monetary values","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"Can be traced","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3661,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"Giving your boss's personal details to a customer without consent would breach the\u2026","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"Equality 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10 Questions
Schneider Electric

Electrical Terminology

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9 Questions
Ideal

Lighting

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9 Questions
Ansell Lighting

Arc Fault Detection Devices (AFDDs)

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circuit?","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"yes","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"no","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices":2,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"yes","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":3579,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"Which one of the following is an AFDD detecting for an arc fault?","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"Mains trip","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"High frequency noise","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"Faulty appliance","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"Earth Fault","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"High frequency noise","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":3580,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"Could a rodent which has chewed a wire lead to an arc fault occurring in an installation?","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"Yes","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"No","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices":2,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"Yes","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":3581,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"In the BS7671 IET Wiring Regulations, which chapter recommends the use of arc fault detection devices?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"42","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"421","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"4","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"21","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"42","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":3582,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"How many electrical fires are reported to have happened in UK homes every year?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"3000","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"5000","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"10,000","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"13,000","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"13,000","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3583,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"How many times does an Electrium single module arc fault detection device self-test?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"Every 15 hours","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"Every 24 Hours","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"Once a week","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"Once every 6 months","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"Every 15 hours","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":3584,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"AFDDs are recommended in the 18th Edition to prevent transient overvoltage surges occurring in electrical installations","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"True","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"False","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices":2,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"False","_questions_9_answer":"field_propa_block_quiz_answer","questions":10,"_questions":"field_propa_block_quiz_questions"}
10 Questions
Electrium
Level 2

Safe Isolation

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mean?","_questions_1_question":"field_propa_block_quiz_question","questions_1_choices_0_choice":"Your boss leaving you to work on your own","_questions_1_choices_0_choice":"field_propa_block_quiz_question_choice","questions_1_choices_1_choice":"Cutting off part\/all of the installation from the supply","_questions_1_choices_1_choice":"field_propa_block_quiz_question_choice","questions_1_choices_2_choice":"Turning on all switches","_questions_1_choices_2_choice":"field_propa_block_quiz_question_choice","questions_1_choices_3_choice":"Removing the circuit breaker","_questions_1_choices_3_choice":"field_propa_block_quiz_question_choice","questions_1_choices":4,"_questions_1_choices":"field_propa_block_quiz_choices","questions_1_answer":"Cutting off part\/all of the installation from the supply","_questions_1_answer":"field_propa_block_quiz_answer","questions_2_image":3666,"_questions_2_image":"field_propa_block_quiz_image","questions_2_question":"What is the first step in the isolation 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code.","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"True","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"False","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices":2,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"True","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":3666,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"What must a voltage detector comply with?","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"GA01","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"SG83","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"GS38","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"10AG","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"GS38","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":3667,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"When you test for 'dead' and voltage is present, you should...","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"Continue","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"Re-check isolation","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"Give up and tell the customer you can't fix it","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices":3,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"Re-check isolation","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":3666,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"How many possible tests are there during three-phase isolation?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"1","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"3","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"10","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"30","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"10","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":3667,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"Currents greater than 75 mA cause...","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"Only muscle paralysis","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"Just a slight tingle","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"Rapid, ineffective heartbeat","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"Shortness of breath","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"Rapid, ineffective heartbeat","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3666,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"Which of the below is NOT necessary for isolation?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"Voltage indicator only","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"Lock\/multi-lock system only","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"Warning Notices and PPE","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"A colleague stood by the supply unit at all times","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"A colleague stood by the supply unit at all times","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":3667,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"What is the final step in the isolation procedure?","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"Ensure your voltage indicator still works","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"Make sure you had permission to switch off","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices_2_choice":"Ask for payment","_questions_9_choices_2_choice":"field_propa_block_quiz_question_choice","questions_9_choices_3_choice":"Open the circuit","_questions_9_choices_3_choice":"field_propa_block_quiz_question_choice","questions_9_choices":4,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"Ensure your voltage indicator still works","_questions_9_answer":"field_propa_block_quiz_answer","questions":10,"_questions":"field_propa_block_quiz_questions"}
10 Questions
Super Rod
Level 3

Transformers

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step-down transformer which converts mains voltage of 230 V to extra low voltage is used to for what?","_questions_1_question":"field_propa_block_quiz_question","questions_1_choices_0_choice":"To power electrical equipment","_questions_1_choices_0_choice":"field_propa_block_quiz_question_choice","questions_1_choices_1_choice":"Transmission of electrical energy from power stations","_questions_1_choices_1_choice":"field_propa_block_quiz_question_choice","questions_1_choices_2_choice":"Electric shock protection by electrical seperation","_questions_1_choices_2_choice":"field_propa_block_quiz_question_choice","questions_1_choices_3_choice":"Domestic and commercial situations","_questions_1_choices_3_choice":"field_propa_block_quiz_question_choice","questions_1_choices":4,"_questions_1_choices":"field_propa_block_quiz_choices","questions_1_answer":"To power electrical equipment","_questions_1_answer":"field_propa_block_quiz_answer","questions_2_image":3611,"_questions_2_image":"field_propa_block_quiz_image","questions_2_question":"What 3 things is a current transformer made up of?","_questions_2_question":"field_propa_block_quiz_question","questions_2_choices_0_choice":"primary winding","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"magnetic core","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices_2_choice":"Electrical core","_questions_2_choices_2_choice":"field_propa_block_quiz_question_choice","questions_2_choices_3_choice":"secondary winding","_questions_2_choices_3_choice":"field_propa_block_quiz_question_choice","questions_2_choices":4,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"secondary winding","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":3612,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"Why do the primary and secondary circuits have to be efficiently coupled when positioning a current transformer?","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"To avoid a large voltage discharge","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"To give an accurate reading","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"To prevent electrocution","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"So that it looks neater","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"To give an accurate reading","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":3613,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"Which of the following statements is NOT true about Isolation Transformers?","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"They have two windings wound around a common core","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"They have additional insulation and electrostatic shielding","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"They are used in many medical situations to prevent first-fault failures","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"A common use for them is the domestic shaver socket arrangement","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"They have two windings wound around a common core","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":3614,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"Earthing transformers are used to provide a physical neutral for power transformers with a delta-connected secondary.","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"True","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"False","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices":2,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"True","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":3615,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"Which earthing system is the Earthing transformer suitable for?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"Reactance Earthing","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"Solid Earthing","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"TNCS Earthing","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"TT Earthing","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"Solid Earthing","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":3616,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"The core of a transformer is generally one of which 2 types?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"magnetic","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"core","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"shell","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"coil","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"shell","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3617,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"How many paths does the core-type transformer only channels flux through?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"4","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"1","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"2","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"8","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"1","_questions_8_answer":"field_propa_block_quiz_answer","questions":9,"_questions":"field_propa_block_quiz_questions"}
9 Questions
Sparks Magazine

Wiring Accessories

{"questions_0_image":3586,"_questions_0_image":"field_propa_block_quiz_image","questions_0_question":"The correct action to be taken regarding electrical accessory packaging is?","_questions_0_question":"field_propa_block_quiz_question","questions_0_choices_0_choice":"Leave at the place the accessory has been installed as it might be useful","_questions_0_choices_0_choice":"field_propa_block_quiz_question_choice","questions_0_choices_1_choice":"Collect all packing and dispose of general refuse waste in pvc bin liners","_questions_0_choices_1_choice":"field_propa_block_quiz_question_choice","questions_0_choices_2_choice":"Save manufacturers information and discard rest in general waste","_questions_0_choices_2_choice":"field_propa_block_quiz_question_choice","questions_0_choices_3_choice":"Save manufacturers information and dispose of according to local guidelines","_questions_0_choices_3_choice":"field_propa_block_quiz_question_choice","questions_0_choices":4,"_questions_0_choices":"field_propa_block_quiz_choices","questions_0_answer":"Save manufacturers information and dispose of according to local guidelines","_questions_0_answer":"field_propa_block_quiz_answer","questions_1_image":3587,"_questions_1_image":"field_propa_block_quiz_image","questions_1_question":"Manufacturers\u2019 information contained with wiring accessories should be?","_questions_1_question":"field_propa_block_quiz_question","questions_1_choices_0_choice":"Kept, one copy for the installer and one for the customer","_questions_1_choices_0_choice":"field_propa_block_quiz_question_choice","questions_1_choices_1_choice":"Thrown away","_questions_1_choices_1_choice":"field_propa_block_quiz_question_choice","questions_1_choices_2_choice":"Kept for the customer","_questions_1_choices_2_choice":"field_propa_block_quiz_question_choice","questions_1_choices_3_choice":"Photographed and thrown away","_questions_1_choices_3_choice":"field_propa_block_quiz_question_choice","questions_1_choices":4,"_questions_1_choices":"field_propa_block_quiz_choices","questions_1_answer":"Kept, one copy for the installer and one for the customer","_questions_1_answer":"field_propa_block_quiz_answer","questions_2_image":3588,"_questions_2_image":"field_propa_block_quiz_image","questions_2_question":"An electrical accessory can be defined as which one of the following?","_questions_2_question":"field_propa_block_quiz_question","questions_2_choices_0_choice":"Current using equipment","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"Both a device and current using equipment","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices_2_choice":"A device other than current using equipment","_questions_2_choices_2_choice":"field_propa_block_quiz_question_choice","questions_2_choices_3_choice":"All parts of a wiring installation","_questions_2_choices_3_choice":"field_propa_block_quiz_question_choice","questions_2_choices":4,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"A device other than current using equipment","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":3589,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"In a low voltage installation the maximum current rated industrial type plug to BS EN60309-2 is?","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"125A","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"75A","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"32A","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"63A","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"125A","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":3590,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"Socket-outlets used in domestic or similar locations shall be?","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"To BS 546 and shuttered","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"To BS1363 and shuttered type","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"Shuttered type","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"To BS EN 60309-2 round pin only","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"To BS1363 and shuttered type","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":3591,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"Socket-outlets on a wall must be located to ensure they are?","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"At a height to prevent mechanical damage to the socket","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"A suitable height for the customer","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"At a height to prevent mechanical damage to the socket and associated plug","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"200mm above the floor or work surface","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"At a height to prevent mechanical damage to the socket and associated plug","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":3592,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"A metal-clad socket-outlet will require?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"Fixing screws to ensure earth continuity between the socket and the backbox","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"Electrical isolation between the socket-outlet and the back-box","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"Protective conductor connected from the backbox to the main earth terminal","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"Protective conductor connected from the earth terminal to the metal backbox","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"Protective conductor connected from the earth terminal to the metal backbox","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":3593,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"In the location of a swimming pool a junction box for low voltage systems shall not be installed in?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"Any zones","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"Zone 0","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"Zone 1","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"Zone 2","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"Any zones","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3594,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"On a caravan park the maximum number of socket-outlets that can be grouped together in any one enclosure is?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"4","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"3","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"2","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"1","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"4","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":3595,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"The requirements for socket-outlets used in a marina location where loads will not exceed 63A, are?","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"Sockets to be to BS1363","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"Sockets to comply with BS EN60309-1 and be IP44","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices_2_choice":"Sockets to comply with BS EN 60309-2 and be IP44","_questions_9_choices_2_choice":"field_propa_block_quiz_question_choice","questions_9_choices_3_choice":"Sockets to be rated at IP44","_questions_9_choices_3_choice":"field_propa_block_quiz_question_choice","questions_9_choices":4,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"Sockets to comply with BS EN 60309-2 and be IP44","_questions_9_answer":"field_propa_block_quiz_answer","questions_10_image":3596,"_questions_10_image":"field_propa_block_quiz_image","questions_10_question":"In a motor caravan the accessories used to support pendent luminaires must?","_questions_10_question":"field_propa_block_quiz_question","questions_10_choices_0_choice":"Not be used to support a luminaire in a caravan","_questions_10_choices_0_choice":"field_propa_block_quiz_question_choice","questions_10_choices_1_choice":"Be suitable for the mass of the luminaire","_questions_10_choices_1_choice":"field_propa_block_quiz_question_choice","questions_10_choices_2_choice":"Be suitable for the forces caused by vehicle movement","_questions_10_choices_2_choice":"field_propa_block_quiz_question_choice","questions_10_choices_3_choice":"Be suitable for the mass of the luminaire and forces caused by movement","_questions_10_choices_3_choice":"field_propa_block_quiz_question_choice","questions_10_choices":4,"_questions_10_choices":"field_propa_block_quiz_choices","questions_10_answer":"Be suitable for the mass of the luminaire and forces caused by movement","_questions_10_answer":"field_propa_block_quiz_answer","questions_11_image":3597,"_questions_11_image":"field_propa_block_quiz_image","questions_11_question":"In an amusement park or similar location the socket-outlets designed to supply lighting must be?","_questions_11_question":"field_propa_block_quiz_question","questions_11_choices_0_choice":"Clearly identified","_questions_11_choices_0_choice":"field_propa_block_quiz_question_choice","questions_11_choices_1_choice":"Placed out of arms reach and identified for purpose","_questions_11_choices_1_choice":"field_propa_block_quiz_question_choice","questions_11_choices_2_choice":"Placed out of arms reach","_questions_11_choices_2_choice":"field_propa_block_quiz_question_choice","questions_11_choices_3_choice":"Used for all lighting associated with the amusement park","_questions_11_choices_3_choice":"field_propa_block_quiz_question_choice","questions_11_choices":4,"_questions_11_choices":"field_propa_block_quiz_choices","questions_11_answer":"Placed out of arms reach and identified for purpose","_questions_11_answer":"field_propa_block_quiz_answer","questions":12,"_questions":"field_propa_block_quiz_questions"}
12 Questions
Sparks Magazine
Level 3

BS 7671: 2018 Requirements for electrical installations

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protection?","_questions_2_question":"field_propa_block_quiz_question","questions_2_choices_0_choice":"Bonding","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"Insulation","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices_2_choice":"Earthing","_questions_2_choices_2_choice":"field_propa_block_quiz_question_choice","questions_2_choices_3_choice":"RCBOs","_questions_2_choices_3_choice":"field_propa_block_quiz_question_choice","questions_2_choices":4,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"Insulation","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":3634,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"What is a characteristic of equipment that must be assessed for compatibility?","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"Power factor","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"Design current","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"Light output","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"Weight","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"Power factor","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":3635,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"What is the maximum permitted residual current rating of an RCD providing additional protection?","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"20 mA","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"100 mA","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"30 mA","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"300 mA","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"30 mA","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":3636,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"What is the maximum permitted disconnection time for a 110 V reduced low-voltage system?","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"4.5 seconds","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"0.4 seconds","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"4.0 seconds","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"5 seconds","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"5 seconds","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":3637,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"What is permitted as a functional switching device?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"BS 1362 fuse","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"Luminaire supporting coupler","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"63 A socket and plug","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"13 A socket outlet to BS 1363","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"13 A socket outlet to BS 1363","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":3638,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"What is the disconnection time of a 5 A BS 3036 fuse when subjected to a fault current of 10 A?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"10 seconds","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"30 seconds","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"50 seconds","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"100 seconds","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"100 seconds","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3639,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"What is the minimum distance that 13 A socket outlets can be installed from the edge of zone 1 in a bathroom?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"1.6 m","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"3.0 m","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"2.4 m","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"4.6 m","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"3.0 m","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":3640,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"Which installation is not within the scope of BS 7671: 2018?","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"Locations with a swimming pool","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"Equipment on-board aircraft","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices_2_choice":"Locations on a caravan park","_questions_9_choices_2_choice":"field_propa_block_quiz_question_choice","questions_9_choices_3_choice":"Equipment for exhibitions","_questions_9_choices_3_choice":"field_propa_block_quiz_question_choice","questions_9_choices":4,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"Equipment on-board aircraft","_questions_9_answer":"field_propa_block_quiz_answer","questions":10,"_questions":"field_propa_block_quiz_questions"}
10 Questions
Sparks Magazine
Level 2

General Electrical Knowledge

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resistance","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"resistance= current\/voltage","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices_2_choice":"current= resistance\/voltage","_questions_2_choices_2_choice":"field_propa_block_quiz_question_choice","questions_2_choices_3_choice":"voltage= current x resistance","_questions_2_choices_3_choice":"field_propa_block_quiz_question_choice","questions_2_choices":4,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"voltage= current x resistance","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":3645,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"The unit of electrical power is the...","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"Watt","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"Ampere","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"Volt","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"Ohm","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"Watt","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":3646,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"The general effect of the earth's magnetic field is called...","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"Centrifuge","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"Mass","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"Velocity","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"Gravity","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"Gravity","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":3647,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"The liquid found in a lead-acid battery is called the...","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"the electrode","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"the electrolysis","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"the electrolyte","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"the electricity","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"the electrolyte","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":3648,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"Hot air rising from an electrical storage heater is due to...","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"Conversion","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"Circulation","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"Convection","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"Radiation","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"Convection","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":3649,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"Which of the following prevents the flow of electricity?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"An insulator","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"A circuit","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"A conductor","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"A supply source","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"An insulator","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":3650,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"1000 watts can be expressed in which one of the following ways?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"10 Kilo watts","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"1 Kilo watt","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"100 Kilo watts","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"1000 Kilo watts","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"1 Kilo watt","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":3651,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"If two filament lamps are connected in series to an electrical supply they will each...","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"light up at half of their full brightness","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"light up with full brightness","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices_2_choice":"light up at a quarter of their full brightness","_questions_9_choices_2_choice":"field_propa_block_quiz_question_choice","questions_9_choices_3_choice":"light up with a random amount of brightness","_questions_9_choices_3_choice":"field_propa_block_quiz_question_choice","questions_9_choices":4,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"light up at half of their full brightness","_questions_9_answer":"field_propa_block_quiz_answer","questions":10,"_questions":"field_propa_block_quiz_questions"}
10 Questions
Sparks Magazine
Level 2

Magnetism

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8 Questions
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