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Power Systems

Power Systems
Range of accelerating factor is

 50 to 100
 1.6 to 1.8
 10.8 to 11.2
 1 to 10

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Power Systems
A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is

  35 kA.
 104.8 kA.
 1200 A.
 3600 A.

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Power Systems
The method of neutral grounding affects the

 positive sequence network
 zero sequence network
All of these
 negative sequence network

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Power Systems
Maximum power transfer in a transmission line can be obtained by

 either 1 or 2
None of these
 increasing voltage level
 reducing reactance

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Power Systems
The thermal efficiency of BWR is

 less than that of PWR.
None of these
  equal to that of PWR.
 greater than that of PWR.

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Power Systems
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is

  8.06 Ω / phase.
 6.06 Ω / phase.
 4.65 Ω / phase.
 2.26 Ω / phase.

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