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Electrical Engineering - Transmission And Distribution MCQs (2)
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Electrical Engineering - Transmission And Distribution MCQs (2)
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25 Questions

1. The angular displacement between two interconnected stations is mainly due to
2. By which of the following systems electric power may be transmitted ?
3. jCorona usually occurs when the electrostatic stress in air around the conductor exceeds
4. For aluminium, as compared to copper, all the following factors have higher values except
5. For transmission of power over a distance of 500 km, the transmission voltage should be in the range
6. The underground system cannot be operated above
7. In a substation the following equipment is not installed
8. The material generally used for armour of high voltage cables is
9. A booster is a
10. The effect of corona can be detected by
11. The skin effect of a conductor will reduce as the
12. Which of the following are the constants of the transmission lines ?
13. Overhead lines generally use
14. The spacing between phase conductors of a 220 kV line is approximately equal to
15. Are the conductors, which connect the consumer's terminals to the
16. A circuit is disconnected by isolators when
17. A 3-phase 4 wire system is commonly used on
18. The operating voltage of supertension cables is up to
19. Constant voltage transmission entails the following disadvantage
20. In aluminium conductors, steel core is provided to
21. Which of the following characteristics should the line supports for transmission lines possess ?
22. On which of the following factors skin effect depends ?
23. Which of the following is the demerit of a 'constant voltage transmission system' ?
24. The following system is not generally used
25. A uniformly-loaded D.C. distributor is fed at both ends with equal voltages. As compared to a similar distributor fed at one end only, the drop at the middle point is