Transmission and distribution

32. By which of the following systems electric power may be transmitted?

Overhead system
Underground system
Both (A) and (B)
None of the above

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may be
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transmitted?" class="read-more button" href="https://exam.pscnotes.com/mcq/by-which-of-the-following-systems-electric-power-may-be-transmitted/#more-52353">Detailed SolutionBy which of the following systems electric power may be transmitted?

34. For transmission of power over a distance of 200 km, the transmission voltage should be

132 kV
66 kV
33 kV
11 kV

Detailed SolutionFor transmission

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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 power over a distance of 200 km, the transmission voltage should be

35. Which of the following distribution systems is more reliable?

Radial system
Tree system
Ring main system
All are equally reliable

Detailed

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74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 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

SolutionWhich of the following distribution systems is more reliable?

36. The conductors of the overhead lines are

solid
stranded
both solid and stranded
none of the above

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class="read-more button" href="https://exam.pscnotes.com/mcq/the-conductors-of-the-overhead-lines-are/#more-51364">Detailed SolutionThe conductors of the overhead lines are

37. In a tap changing transformer, the tappings are provided on

Primary winding
Secondary winding
High voltage winding
Any of the above

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class="read-more button" href="https://exam.pscnotes.com/mcq/in-a-tap-changing-transformer-the-tappings-are-provided-on/#more-51350">Detailed SolutionIn a tap changing transformer, the tappings are provided on

38. A conductor, due to sag between two supports, takes the form of

Semicircle
Triangle
Ellipse
Catenary

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href="https://exam.pscnotes.com/mcq/a-conductor-due-to-sag-between-two-supports-takes-the-form-of/#more-51304">Detailed SolutionA conductor, due to sag between two supports, takes the form of

39. Which of the following regulations is considered best?

50%
20%
10%
2%

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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 class="screen-reader-text">Which of the following regulations is considered best?

40. Which of the following is the source of heat generation in the cables?

Dielectric losses in cable insulation
losses in the conductor
Losses in the metallic sheathings and armourings
All of the above

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class="read-more-container">Detailed SolutionWhich of the following is the source of heat generation in the cables?
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