Electrical Engineering Questions and Answers Quiz - Set 04 Electrical Quiz Quiz Questions 01. Which of the following documents is non-statutory? (A) Health and Safety at Work Act (B) Electricity at Work Regulations (C) COSHH (D) BS 7671- Requirements for Electrical Installations 02. The Tesla is the unit of (A) Magnetic flux (B) Molecular flux (C) Magnetic flux density (D) Molecular flux density 03. A particular extension lead used on a construction site is colored yellow to (A) Indicate its mechanical stress properties (B) Enable it to be seen in the dark (C) Indicate the supply voltage to it (D) Enable it to be to be identified as suitable for site use 04. In order to determine the amount of accessories required for a particular contract, the best method would be to use the layout drawings and a (A) Site diary (B) Take off sheet (C) Day work sheet (D) Time sheet 05. A non-maintained emergency light is classified as NM3. This means that the luminary will illuminate during (A) Normal conditions then automatically switch off after three hours (B) Any power failure for up to three hours (C) Both normal and power failure conditions then automatically switch off after three hours (D) Power failures that last longer than three hours but not shorter than three hours 06. In order to understand the operating procedure for a particular item of equipment, the best source of information would be the (A) Company sales representative (B) Manufacturers' manual (C) Manufacturers' catalogue (D) Circuit diagram 07. When an ammeter is connected in a circuit it is essential that it (A) Has a very low resistance (B) Has a very high resistance (C) Is connected across the supply (D) Is connected across the load 08. An isolator built into a panel is used for (A) Normal load switching (B) Fault load switching (C) Short circuit protection (D) No load switching 09. A single-phase double-wound transformer consists of (A) A single core mounted winding (B) A winding that carries the difference between IP and IS (C) A single solid core (D) Two electrically separated coils 10. Which of the following has an impact upon earthing? (A) BS EN 60439-01 (B) BS 4491 (C) BS 4444 (D) BS EN 60898 11. In order to facilitate maintenance of a complex electrical system, the sequence of control for isolation can be best shown using a (A) Block diagram (B) Layout drawing (C) Circuit diagram (D) Bar chart 12. For a drawing having a scale of 1 : 50, a wall 10 m long would be drawn to a length of (A) 10 mm (B) 20 cm (C) 50 cm (D) 10050 mm 13. The five main stages of the risk assessment procedure are: (A) Identify (B) Evaluate (C) Record (D) Implement 14. An independent regulatory body responsible for monitoring standards of electrical installation contractors is the (A) Electrical Institute Council (B) Institute of Electrical Engineers (C) National Electrical Contractors Institute Inspection Council (D) National Inspection Council for Electrical Installation Contractors 15. Voltage indication devices need to be proved to ensure (A) That the lamp has not gone (B) That the highway furniture has been installed correctly (C) Safe working conditions (D) The correct operation of street furniture Submit Test Next Quiz Tests: Set 01 Set 02 Set 03 Set 04 Set 05 Set 06 Set 07 Set 08 Set 09
