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Power Systems

Power Systems
Making current is a------------ value?

 peak value
 any of the above
 RMS
 average

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Power Systems
Sparse matrix is matrix which contain

 more number of zeros
 more number of memory elements
 more number of non zeros
 less number of memory elements

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Power Systems
Cheapest plant in operation and maintenance is

  nuclear.
  hydroelectric.
  diesel power.
  steam power.

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Power Systems
If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have

 unity power factor
 zero power factor
 0.707 lagging power factor
 0.707 leading power factor

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Power Systems
Earthing switch is used for

 protection of equipment from ground faults
 discharging residual energies
 measuring of safety voltage
All of these

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

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

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