Transmission and distribution Archives

31. The voltage of the single phase supply to residential consumers is

110 V

210 V

230 V

400 V

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32. Most of the high voltage transmission lines in India are

Underground

Overhead

Either of the above

None of the above

Detailed

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Solution

33. Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system?

Circulating current method

Thevenin's theorem

Superposition of currents

All of the above

Detailed SolutionBesides a method of trial and error, which of

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the following methods is employed for solution of network problems in interconnected system?

34. The voltage drop, for constant voltage transmission is compensated by installing

Inductors

Capacitors

Synchronous motors

All of above

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35. Large industrial consumers are supplied electrical energy at

400 V

11 kV

66 kV

400 kV

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36. The spacing between phase conductors of a 220 kV line is approximately equal to

2 m

3.5 m

6 m

8.5 m

Detailed Solution

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37. The current drawn by the line due to corona losses is

Non-sinusoidal

Sinusoidal

Triangular

Square

Detailed

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Solution

38. The skin effect of a conductor will reduce as the

Resistivity of conductor material increases

Permeability of conductor material increases

Diameter increases

Frequency increases

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132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube of a conductor will reduce as the" class="read-more button" href="https://exam.pscnotes.com/mcq/the-skin-effect-of-a-conductor-will-reduce-as-the/#more-44022">Detailed Solution

39. In AC.S.R. Conductors, the insulation between aluminium and steel conductors is

Insulin

Bitumen

Varnish

No insulation is required

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40. Series capacitors on transmission lines are of little use when the load VAR requirement is

Large

Small

Fluctuating

Any of the above

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