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Power Systems

Power Systems
Reflector nuclear reactor are made of

 steel.
 boron.
 cast iron.
  beryllium.

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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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Power Systems
Stock bridge dampers are used to

 reduce the vibrations at the point of support
All of these
 increase the sag
 reduce the tension

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Power Systems
Condition for maximum voltage regulation

 cosφ = X/R
 tanφ = X/R
 tanφ = R/X
 cosφ = R/X

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Power Systems
Operating cost of thermal power station is

 less than that of nuclear power plant.
  less than that of diesel power plant.
 less than that of hydroelectric power plant.
 is the same as that of nuclear power plant.

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Power Systems
The shape of the disc of an induction disc relay is

  none of these.
  elliptical.
  spiral.
  circular.

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