Electrical Quiz Questions and Answers - Set 03 Electrical Quiz Quiz Questions 01. Particular starting arrangements are used when a motor has a rating greater than (A) 370 microwatts (B) 0.37 watts (C) 37 watts (D) 370 watts 02. Which of the following is statutory? (A) BS 7671 (B) On-Site Guide (C) Electricity at Work Regulations (D) GS 38 03. The purpose of a visual inspection is to ensure compliance with BS 7671, Section (A) 601 (B) 712 (C) 413 (D) 314 04. Which legislation states the need to avoid live working unless unreasonable in all circumstances? (A) BS 7671 (B) Guidance Notes 3 (C) On-Site Guide (D) The Electricity at Work Regulations 05. Which of the following normally form part of a highway electrical system? (A) Current transformers and photoelectrical control units (B) Voltage transformers and RCD's (C) Igniters and transformers (D) Power factor meter and isolators 06. Certain discharge luminaries mounted above rotating machine can give the appearance that the machine is at a standstill. This effect is known as (A) Stroboscopic effect (B) Robotic effect (C) Rotor effect (D) Telescopic effect 07. The four electrical tests that should be carried out on a new ring final circuit before it is energized are (A) Continuity of protective conductors, continuity of ring final circuits, insulation, - resistance and polarity (B) Continuity of ring final circuits, insulation resistance, polarity, and earth fault loop - impedance (C) Insulation resistance, polarity, earth fault loop impedance and continuity of protective - conductors (D) Polarity, earth fault loop-impedance, continuity of protective conductors and Continuity of ring final circuits 08. Which of the following is a non-statutory regulation? (A) Electricity at Work Regulations (B) Health and Safety at Work Act (C) Electricity Safety, Quality, and Continuity Regulations (D) BS 7671- Requirements for Electrical Installations 09. A suitable means of recording the number of visitors on a large construction site is by the use of a (A) Day work sheet (B) Timesheet (C) Take off sheet (D) Visitors book 10. A 110 V, centre-tapped earth, reduced low voltage supply for power tools provides a voltage of (A) 25 V between live conductors (B) 55 V to earth (C) 110 V to earth (D) 12 V SELV 11. Using a scale of 1 : 50, a 10 mm measurement taken from a plan would be equal to an actual measurement of (A) 5 mm (B) 5 cm (C) 0.5 m (D) 5 m 12. Prior to using an electric saw on a construction site, a user check finds that the insulation on the supply flex is damaged. The correct procedure would be to (A) Replace the cord with a new one (B) Report the damage to a supervisor after use (C) Repair the cord with insulation tape (D) Report the damage to a supervisor before use 13. The Electricity at Work Regulations state that electrical equipment must be maintained to prevent danger. Electrical equipment is defined as all small items of battery-powered equipment up to and including overhead power lines rated at (A) 230 V (B) 400 V (C) 33 kV (D) 400 kV 14. Guidance on regular inspection and testing of portable appliances can be found in (A) BS 7671 Requirements for Electrical Installation (B) IEE Guidance Note 3 Inspection and testing (C) IEE Code of Practice for In-Service Inspection and Testing of Electrical Equipment (D) IEE on Site Guide 15. Relevant information for re commissioning street furniture can be found in (A) IEE Guidance Notes 7 (B) Works instructions (C) The Electricity Supply Regulations (D) The Petroleum (Consolidation) Act 1928 Submit Test Next Quiz Tests: Set 01 Set 02 Set 03 Set 04 Set 05 Set 06 Set 07 Set 08 Set 09
