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Power Systems

Power Systems
Pelton turbine is a ----------- turbine

 any of the above
 inward radial flow
 axial flow
 impulsive

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Power Systems
Nuclear reactors usually employ

 both of A and B.
  fission.
 fusion.
 none of above.

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

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Power Systems
The shape of the disc of an induction disc relay is

  circular.
  spiral.
  elliptical.
  none of these.

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Power Systems
Skin effective is more in case of

None of these
 communication lines
 power lines
 same in both cases

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Power Systems
Which of the following is/are the methods of improving transient stability?

 Dynamic breaking
 Fast acting governing system
All of these
 Fast acting excitation control

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