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Power Systems

Power Systems
Which turbine is ideally suited to pumped storage plants

 Pelton.
 Impeller.
 Francis.
  Kaplan.

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Power Systems
When a nuclear reaction is operating at constant power the multiplication factor is

 greater than 1.
 less than 1.
 may be any of the above.
  1.

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Power Systems
Stock bridge dampers are used to

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

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Power Systems
The power output of a nuclear power station is proportional to

  the rate at which fission reaction occurs.
 square of the rate at which fission reaction occurs.
 square root of the rate at which fission reaction occurs.
 none of above.

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Power Systems
The fact that current density is higher at the surface when compared to centre is known as

 skin effect
All of these
 carona
 proximity effect

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Power Systems
For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

 two
 three
 one
 six

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