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Power Systems

Power Systems
If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is

 500 MJ
 10 MJ
 50 MJ
 5 MJ

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Power Systems
One atomic mass unit is equivalent to

  931.4 MeV.
 251.2 MeV.
 120.4 MeV.
 180.5 MeV.

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Power Systems
The most suitable circuit breaker for short line fault without switching resistor is

 air blast circuit breaker.
 oil circuit breaker.
 none of these.
  SF6 breaker.

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Power Systems
Advantage/s of per unit system as compare to absolute system?

 only one equation is required
 calculation time is less
 memory required is less
All of these

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

 average
 maximum
 any of the above
 RMS

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Power Systems
Plant capacity factor value is

 0
 less than 1
 greater than 1
 1

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