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Power Systems

Power Systems
The insulation of modern EHV is designed based on

 RI.
 lightning voltage.
  switching voltage.
 corona.

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Power Systems
Specified quantities of load bus are

 V and δ
 P and δ
 Q and V
 P and Q

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Power Systems
If the fault is very nearer to the generator, the fault current is

 less
 zero
 larger
 any of the above

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Power Systems
Resistance switching in normally employed in

  air blast circuit breaker.
 minimum oil breakers.
 bulk oil breakers.
 all breakers.

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Power Systems
The 1st nuclear plant in world was commissioned in

  U.S.A.
 U.K.
  UAE.
  U.S.S.R.

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Power Systems
A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively?

 0.6, 0.8 and 1.2 pu
 0.6, 0.6 and 1.2 pu
 0.8, 0.8 and 1.2 pu
 0.8, 0.6 and 1.2 pu

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