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Power Systems

Power Systems
For flat voltage profile system, voltage regulation is

 0%
 any of the above
 100%
 50%

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Power Systems
Which of following power plants is free from environmental problem

  Hydroelectric.
 Steam.
 Diesel engine.
 Nuclear.

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Power Systems
Which material is used in controlling chain reaction in a nuclear reactor

  Boron.
 Heavy water.
 Thorium.
 Beryllium.

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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

  24.
 6.
 16.
 12.

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Power Systems
A buchholz relay is used for

 protection of a transformer against all external faults
 nether 1 nor 2
 both 1 and 2
 protection of a transformer against all internal faults

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Power Systems
To reduce the radio interference which line is/are transposed?

 Power line
 either 1 or 2
 Both power and telecommunication lines
None of these

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