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Power Systems

Power Systems
A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base?

 0.2 pu
 0.25 pu
 1 pu
 5 pu

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Power Systems
Electrostatic precipitators in thermal power plants are used for

All of these
 control flow rate
 remove moisture from the cole
 removal of ash from flue gas

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Power Systems
Switchgear equipment include

  fuses.
  switches.
  relays and CB.
  all of these.

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Power Systems
Among the following which is not non conventional energy

  Tidal.
  Wind.
  Nuclear.
  Geothermal.

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

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

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Power Systems
Mho relays are used for the protection of which of the following lines?

 medium transmission lines only
None of these
 short transmission lines only
 long transmission lines only

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