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Power Systems

Power Systems
Operating time of pumped storage plant is

 can't say
 low
 high
 very high

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Power Systems
Isolator in sub station is open under ------------- condition?

 any of the above
 short circuit
 no load
 full load

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Power Systems
Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW?

 P1 = 100 MW, P2 = 100 MW
 P1 = 80 MW, P2 = 120 MW
 P1 = 120 MW, P2 = 80 MW
 P1 = 60 MW, P2 = 140 MW

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Power Systems
Rating of fuse wire is expressed in

  Watts.
 ÃŽÂ©.
  Mho.
  Ampere.

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Power Systems
Which of the following transmission line is most practically used in load flow analysis?

 Nominal ∏
 nether 1 nor 2
 either 1 or 2
 Nominal T

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

 6
 3
 5
 12

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