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Power Systems

Power Systems
Making current is a------------ value?

 peak value
 any of the above
 RMS
 average

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Power Systems
For 66 kV lines the number of insulator discs of each 11 kV used are

 12
 3
 6
 5

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Power Systems
Uses of diesel power stations

  peak load plant.
  emergency plants.
All of these
 standby plants.

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Power Systems
The conversion ratio of a breeder reactor is

  more than unity.
 none of above.
 less than unity.
  equal to unity.

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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, 0.6 and 1.2 pu
 0.8, 0.8 and 1.2 pu

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Power Systems
Maximum power transfer in a transmission line can be obtained by

None of these
 reducing reactance
 increasing voltage level
 either 1 or 2

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