# Important Question Answer For HPSSC Electrician Exam Set-4

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1. The ratio of effective value to average value of half cycle is called as

Â (A) Form factor

Â (B) Q factor

Â (C) Power factor

Â (D) Rating factor

2. In which of the following load power factor is unity ?

Â (C) Inductive reactance with resistance

Â (D) Non capacitive with inductive load

3. Which of the following average value of AC sine wave ?

Â (A) 0.637 Imax

Â (B) 6.37 Imax

Â (C) 0.707 Imax

Â (D) 7.07 Imax

4. What is the unit of susceptance ?

Â (A) Henry

Â (B) Mho

Â (C) OhmÂ

Â (D) Volt

5. What is the minimum dimension of copper earth plate as per Indian standards ?

Â (A) 60 cm x 60 cm x 3.15 mm

Â (B) 60 cm x 30 cm x 6.38 mm

Â (C) 60 cm x 60 cm x 6.38 mm

Â (D) 40 cm x 40 cm x 6.18 mm

6. What is the expansion form of RCCB ?

Â (A) Residual current control breaker

Â (B) Residual control circuit breaker

Â (C) Residual current circuit breaker

Â (D) Residual circuit current breaker

7. What is the minimum internal diameter of G.I pipe for pipe earthling as per Indian standards ?

Â (A) 38 mm

Â (B) 32 mm

Â (C) 28 mm

Â (D) 25 mm

8. As per IE Rule 48, the maximum permissible voltage drop in a power industrial circuit should not more than

Â (A) 10% of the declared supply voltage

Â (B) 9% of the declared supply voltage

Â (C) 5% of the declared supply voltage

Â (D) 15% of the declared supply voltage

9. According to Indian standards, the insulation resistance of any wiring installation should not be less than ________.

10. What is the maximum load in a sub-circuit as per IE Rule regarding internal wiring ?

Â (A) 700 W

Â (B) 800 W

Â (C) 900 W

Â (D) 1000 W

||Important Subject RelatedÂ  Question Answer For HPSSCÂ ElectricianÂ Exam Set-4||Important Question Answer For HPSSSB Hamirpur ElectricianÂ Exam Set-4||