Electrical Quiz MCQ - Set 06 Electrical Quiz Edit Quiz Questions 01. A common type of cable termination used for ribbon cables in panel building is (A) Pin (B) Lug (C) Insulation displacement (D) Screw 02. Q8 BS 7671 provides appropriate advice on (A) Heights of panels (B) Design of panels (C) Environmental conditions (D) Instrumentation 03. Which of the following is a statutory piece of legislation? (A) BS 7671 (B) IEE Guidance Notes (C) Electricity at Work Regulations (D) IEE On-Site Guide 04. The most suitable item of equipment to mark a straight line in order to install a horizontal conduit over a distance of 4 m is a (A) Plumb line (B) Spirit level (C) Steel tape (D) Chalk line 05. An earthing arrangement that has a PEN conductor is (A) TN-C-S (B) TN-S (C) TT (D) IT 06. If a circuit protective device requires 200 A in order to disconnect in the required time, the overall impedance of the earth fault path for a 230 V circuit protected by the device must not exceed (A) 0.86 O (B) 1.15 O (C) 2.15 O (D) 2.30 O 07. The ratio of the true power to apparent power in an ac circuit is the (A) Power consumption (B) Harmonic current (C) Power factor (D) Reactive power 08. The purpose of a bonding conductor is to provide (A) An earth fault path (B) An equal potential zone (C) Short circuit protection (D) Overload protection 09. A mass of 20 kg is to be raised by a hoist 2 m in 30 seconds. Assuming no losses, the power required to raise this load is (A) 13.08 Watts (B) 196.2 Watts (C) 392.4 Watts (D) 1200 Watts 10. The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA. The power drawn by the circuit is (A) 12 kW (B) 22 kW (C) 32 kW (D) 64 kW 11. Higher the self-inductance of a coil, (A) Lesser its weber-turns (B) Lower the e.m.f. induced (C) Greater the flux produced by it (D) Longer the delay in establishing steady current through it 12. Dielectric strength of a material depends on (A) Moisture content (B) Temperature (C) Thickness (D) All of the above 13. The least share of power is provided in India, by which of the following power plants? (A) Diesel power plants (B) Thermal power plants (C) Hydroelectric power plants (D) Nuclear power plants 14. One Maxwell is equal to (A) 10^8 webers (B) 10^-4 (C) 10^4 (D) 10^-8 15. D.C. machines designed with a large value of air gap length have (A) Worst, ventilation (B) Poor ventilation (C) Better ventilation (D) None of the above Submit Test Next Quiz Tests: Set 01 Set 02 Set 03 Set 04 Set 05 Set 06 Set 07 Set 08 Set 09
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