Transmission and distribution

21. The operating voltage of super-tension cables is up to

3.3 kV
6.6 kV
11 kV
33 kV

Detailed

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SolutionThe operating voltage of super-tension cables is up to

22. In a D.C. 3-wire distributor using balancers and having unequal loads on the two sides

both balancers run as generators
both balancers run as motors
3-wire distributor using balancers and having unequal loads on the two sides A. both balancers run as generators B. both balancers run as motors C. balancer connected to lightly- loaded side runs as a motor
balancer connected to heavily- loaded side runs as a motor

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class="read-more button" href="https://exam.pscnotes.com/mcq/in-a-d-c-3-wire-distributor-using-balancers-and-having-unequal-loads-on-the-two-sides/#more-55221">Detailed SolutionIn a D.C. 3-wire distributor using balancers and having unequal loads on the two sides

23. 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

One-fourth
One-third
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 A. One-fourth B. One-third C. One-half
Twice

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at the middle point is" class="read-more button" href="https://exam.pscnotes.com/mcq/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/#more-54186">Detailed SolutionA
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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

24. ________ are the conductors, which connect the consumer’s terminals to the distribution.

Distributors
Service mains
Feeders
None of the above

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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
the distribution." class="read-more button" href="https://exam.pscnotes.com/mcq/________-are-the-conductors-which-connect-the-consumers-terminals-to-the-distribution/#more-53273">Detailed Solution________ are the conductors, which connect the consumer’s terminals to the distribution.

25. A feeder, in a transmission system, feeds power to

Distributors
Generating stations
Service mains
All of the above

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class="read-more button" href="https://exam.pscnotes.com/mcq/a-feeder-in-a-transmission-system-feeds-power-to/#more-53264">Detailed SolutionA feeder, in a transmission system, feeds power to

26. The steel used in steel cored conductors is usually

Alloy steel
Stainless steel
Mild steel
High speed steel

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button" href="https://exam.pscnotes.com/mcq/the-steel-used-in-steel-cored-conductors-is-usually/#more-53236">Detailed SolutionThe steel used in steel cored conductors is usually

27. There is a greater possibility of occurrence of corona during

Dry weather
Winter
Summer heat
Humid weather

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28. The effect of corona can be detected by

Presence of ozone detected by odour
Hissing sound
Faint luminous glow of bluish color
All of the above

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of corona can be detected by" class="read-more button" href="https://exam.pscnotes.com/mcq/the-effect-of-corona-can-be-detected-by/#more-52518">Detailed SolutionThe effect of corona can be detected by

29. The phenomenon of rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the

See-back effect
Ferranti effect
Raman effect
None of the above

Detailed SolutionThe

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phenomenon of rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the

30. The underground system cannot be operated above

440 V
11 V
33 V
66 V

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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 href="https://exam.pscnotes.com/mcq/the-underground-system-cannot-be-operated-above/#more-52403">Detailed SolutionThe underground system cannot be operated above

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