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Power Systems

Power Systems
In kaplan runner, the number of blades is generally of the order of

  3 - 6.
 12 - 16.
 1 - 2.
  16 - 24.

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Power Systems
Generation of of one watt needs about ______________ fission per second

 3.1.
  3.1 × 1010.
 3.1 × 106.
 3.1 × 107.

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Power Systems
Advantage/s of per unit system as compare to absolute system?

All of these
 calculation time is less
 only one equation is required
 memory required is less

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Power Systems
Characteristics of arc quenching medium is/are

 Non flammable
 High thermal conductivity
All of these
 High dielectric strength

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Power Systems
To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with

 2nd harmonic current.
  5th harmonic current.
 7th harmonic current.
 3rd harmonic current.

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Power Systems
Peak load power plants is/are

 diesel plant
 pumped storage plant
 both 1 and 2
 nuclear plants

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