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Power Systems

Power Systems
Breaking current is a ------------------ value?

 RMS
 maximum
 average
 any of the above

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Power Systems
The power station that does not requier any moving part is

 Tidal power generation.
 Wind power generation.
 Solar power generation.
  Thermonic convertor.

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Power Systems
In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%.

 52.84 kV
 20 kV
 48.36 kV
 83.76 kV

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Power Systems
For distortion less line which of following relation are true

 R/L = C/G.
 None of above.
 R = O, G = O.
 R/L = G/C.

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Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching

  oil.
  vacuum.
  air blast.
  SF6.

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Power Systems
A power station plant load factor is defined as the ratio of

 minimum load to peak load
 minimum load to average load
 average load to the peak load
 the energy generated to that of maximum energy that could have been generated

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