Transmission and distribution

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

3.3 kV
6.6 kV
11 kV
33 kV

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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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balancers and having unequal loads on the two sides" 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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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" 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 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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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 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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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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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="read-more 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

Detailed Solution

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class="screen-reader-text">There is a greater possibility of occurrence of corona during

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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title="The effect 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

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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
SolutionThe 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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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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