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Power Systems

Power Systems
Most commonly used material for insulator is

 mica
 porcelain
 glass
All of these

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Power Systems
Capacitance voltage transformer ( CVT ) is used to

 reduce losses in a transmission line.
  improve the power factor of the transmission.
 none of these.
 connect instruments on the LT side.

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Power Systems
A hydroelectric power station is commonly found in

 desert areas.
 swamps.
  hilly areas.
 grasslands.

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

 7
 29
 37
 1

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Power Systems
Which of the following represents the sag(S) of a transmission line?

 S = wl²/8T
 S = wl²/4T
 S = wl²/2T
 S = wl²/16T

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Power Systems
Counter poise is used for

 reduce losses
 proper discharging of lighting surges
 less surge impedance
 more surge impedance

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