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Power Systems

Power Systems
India’s largest thermal power station is located at

 Neyveli.
 Sarni.
 Kota.
 Chandrapur.

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Power Systems
The function of moderator in a nuclear reactor is to

  stop chain reaction.
 absorb neutrons.
  reduce the speed of neutrons.
 reduce temperature.

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Power Systems
Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses?

 105.2
 85.5
 95.5
 102.5

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Power Systems
In a transmission line the insulators to be used at the dead end or sharp curves are

 strain type
 any of the above
 pin type insulator
 suspension type

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

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

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Power Systems
A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator

 16.
 6.
  24.
 12.

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