1. In which portion of the transmission system is the occurrence of the fault more common? 
2. a. Alternators 
3. b. Transformers 
4. c. Transmission lines 
5. d. Underground cables
6. Which of the following fault results into a three phase faults?
7.  a. Single line to ground fault. 
8. b. Double line to ground fault
9.  c. Line to line fault 
10. d. Fault due to all the three phases to earth.
11. What happens to the value of the fault current in case of SLG fault, if fault impedance is introduced? 
12. a. The fault current increase 
13. b. The fault current remains same as in case of SLG fault.
14. c. The fault current becomes zero 
15. d. The fault current is reduced
16. Which among these is the most commonly occurring fault? 
17. a. Single line to ground fault. 
18. b. Double line to ground fault 
19. c. Line to line fault 
20. d. Fault due to all the three phases to earth.

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