The insulation resistance of a cable of length 10 km is 1 MΩ. its resistance for 50 km length will be

(A) 1 MΩ 

(B) 5 MΩ 

(C) 0.2 MΩ

(D) 2 MΩ

Answer: (C) 0.2 MΩ


Explanation:


More MCQS 

1. Under over excitation synchronous phase modifier works as

2. The neutral of the power system may be connected to earth

3. The time to open the circuit breaker contact is called as

4. A 100 Ah capacity battery should deliver a current of 10 A for approximately _____ hrs.

5. For 400KV line, The Spacing Between phase conductor is around 

6. Shunt capacitors in a sub-station

7. An alternator is said to be over excited when it is operating at

8. In case of transformer Buchholz relay is used to protect from 

9. Series capacitors are used to

10. Disadvantage of low power factor is

11. The colour of neutral three core flexible cable is

12. The location of ground faults in underground cables can be found by

13. Fault location in an HV cable is done by

14. The insulation resistance of a cable of length 10 km is 1 MΩ. its resistance for 50 km length will be

15. Which of the following is not a valid advantage of bundle conductor?

16. Star-star power transformer is protected by current transformer having

17. The surge resistance of cables is

18. Skin effect is only noticeable at _______ frequencies. 

19. When transmission voltage is increased, the line losses are

20. Var compensators are used to


More E-Books 

  

For More Transformer MCQs (Set of 400 Most Asked MCQs)




For More Transmission & Distribution MCQS


For More Switchgear and Protection MCQS



Previous Post Next Post