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Power Systems

Power Systems
A CT is connected in ___________________ with the line.

  both A and B.
  not connected.
  across.
  series.

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Power Systems
Which of the following power stations is mainly used to cover peak load on the system?

 nuclear plant
 pumped storage hydro power plant
 gas based thermal power plant
 coal based thermal power plant

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Power Systems
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

 10 sec.
 none of these.
 20 sec.
  5 sec.

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Power Systems
Inductance of transmission line will decrease when

 both GMD and GMR decrease
 GMD decrease and GMR increase
 GMD increase and GMR decrease
 both GMD and GMR increase

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Power Systems
Pin insulators are used up to

 11 kV
 120 kV
 any voltage level
 33 kV

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Power Systems
The ratio of reset to pick up current for an induction cup relay is approximately

 1.0.
 1.35.
 0.75.
  0.99.

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