Transmission and distribution

41. Transmission line insulators are made of

glass
porcelain
iron
P.V.C.

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href="https://exam.pscnotes.com/mcq/transmission-line-insulators-are-made-of/#more-50696">Detailed SolutionTransmission line insulators are made of

42. The power transmitted will be maximum when

Corona losses are minimum
Reactance is high
Sending end voltage is more
Receiving end voltage is more

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be maximum when" class="read-more button" href="https://exam.pscnotes.com/mcq/the-power-transmitted-will-be-maximum-when/#more-50608">Detailed SolutionThe power transmitted will be maximum when

43. A booster is a

Series wound generator
Shunt wound generator
Synchronous generator
None of the above

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a" class="read-more button" href="https://exam.pscnotes.com/mcq/a-booster-is-a/#more-50529">Detailed SolutionA booster is a

44. In a D.C. 3-wire distribution system, balancer fields are cross-connected in order to

boost the generated voltage
balance loads on both sides of the neutral
equalize voltages on the positive and negative outers

Detailed SolutionIn a

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D.C. 3-wire distribution system, balancer fields are cross-connected in order to

45. A circuit is disconnected by isolators when

Line is energized
There is no current in the line
Line is on full load
Circuit breaker is not open

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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 title="A circuit is disconnected by isolators when" class="read-more button" href="https://exam.pscnotes.com/mcq/a-circuit-is-disconnected-by-isolators-when/#more-50260">Detailed SolutionA circuit is disconnected by isolators when

46. Transmission voltage of ll kV is normally used for distances upto

20 - 25 km
40 - 50 km
60 - 70 km
80 - 100 km

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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 normally used for distances upto" class="read-more button" href="https://exam.pscnotes.com/mcq/transmission-voltage-of-ll-kv-is-normally-used-for-distances-upto/#more-50248">Detailed SolutionTransmission voltage of ll kV is normally used for distances upto

47. On which of the following factors skin effect depends?

Frequency of the current
Size of the conductor
Resistivity of the conductor material
All of the above

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following factors skin effect depends?" class="read-more button" href="https://exam.pscnotes.com/mcq/on-which-of-the-following-factors-skin-effect-depends/#more-50121">Detailed SolutionOn which of the following factors skin effect depends?

48. Electromechanical voltage regulators are generally used in

Reactors
Generators
Transformers
All of the above

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button" href="https://exam.pscnotes.com/mcq/electromechanical-voltage-regulators-are-generally-used-in/#more-49997">Detailed SolutionElectromechanical voltage regulators are generally used in

49. The angular displacement between two interconnected stations is mainly due to

Armature reactance of both alternators
Reactance of the interconnector
Synchronous reactance of both the alternators
All of the above

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angular displacement between two interconnected stations is mainly due to" class="read-more button" href="https://exam.pscnotes.com/mcq/the-angular-displacement-between-two-interconnected-stations-is-mainly-due-to/#more-49862">Detailed SolutionThe angular displacement between two interconnected stations is mainly due to

50. 310 km line is considered as

A long line
A medium line
A short line
Any of the above

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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 considered as" class="read-more button" href="https://exam.pscnotes.com/mcq/310-km-line-is-considered-as/#more-49787">Detailed Solution310 km line is considered as

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