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Power Systems

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

  16 - 24.
 12 - 16.
  3 - 6.
 1 - 2.

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Power Systems
Stability of a transmission line can be increased by

 both 1 and 2
 series capacitor
 shunt capacitor
 shunt reactor

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Power Systems
A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line

 short transmission line
 any of the above
 long transmission line
 medium transmission line

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

 Heavy water.
  Boron.
 Beryllium.
 Thorium.

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Power Systems
Find the number of strands of ACSR conductor for 4 layer transmission line?

 1
 37
 29
 7

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Power Systems
Lightning arresters are used to protect electrical equipment against

 direct strokes of lightning.
  over voltages due to indirect lightning stroke.
 over currents due to lightning stroke.
 power frequency of over voltages.

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