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Power Systems

Power Systems
One fission of U235 releases energy of

  200 MeV.
 435 MeV.
 335 MeV.
 525 MeV.

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Power Systems
NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at

 Bakreshwar.
 Farakka.
 Katwa.
 Durgapur.

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Power Systems
In which of the following frequency control method tie line may be overloaded?

 flat tie line control
 parallel frequency
 flat frequency control
All of these

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Power Systems
A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle?

 60°
 30°
 45°
 35°

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Power Systems
The arc voltage produced in an AC circuit breaker is always

 in phase opposition with the arc current.
 lagging the arc current by 90°.
  in phase with the arc current.
 leading the arc current by 90°.

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Power Systems
Corona loss is ----------------- on hilly areas than as plain areas.

None of these
 remain same
 less
 more

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