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Power Systems

Power Systems
The value of inductance used for compensation of arcing grounds is

 ω²C/3
 3/ω²C
 1/3ω²C
 3ω²C

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Power Systems
Suspension type insulators are used for voltage beyond

 11 kV
 230 V
 440 V
 33 kV

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Power Systems
Uses of diesel power stations

All of these
 standby plants.
  emergency plants.
  peak load plant.

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is

  5100 MVA.
  5000 MVA.
 5500 MVA.
 5200 MVA.

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Power Systems
Which turbine is ideally suited to pumped storage plants

 Impeller.
 Francis.
  Kaplan.
 Pelton.

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Power Systems
Which device is used for protection of equipment from from damage caused by overload or short circuit?

 circuit breaker
 lightning arrester
 CVT
 current transformer

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