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Power Systems

Power Systems
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

 15.
 10.
 50.
 25.

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

 impulsive
 any of the above
 axial flow
 inward radial flow

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Power Systems
Which of the following produces the radio interference in communication lines?

 both 1 and 2
 electro magnetic induction
None of these
 electro static induction

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Power Systems
In which power plant, the thermal efficiency is quite low

  Hydro power plant.
  Nuclear power plant.
  Steam power plant.
  Diesel power plant.

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Power Systems
Proximity effect is more in case of

 over head lines
 same in both cases
 power cables
None of these

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Power Systems
A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be

  51.61 MW.
 52 MW.
 57.5 MW.
 53 MW.

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