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Power Systems

Power Systems
Ideal plant load cfactor is

 0
 greater than 1
 less than 1
 1

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Power Systems
Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation

 25060 J.
  20060 J.
 23060 J.
  20160 J.

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Power Systems
In a regenerative cycle, feed water is heated by

  drained steam from turbine.
 all of above.
 exhaust gas.
 heaters.

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Power Systems
A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator?

 0.001
 10
 1000
 0.1

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Power Systems
Pin insulators are used up to

 120 kV
 33 kV
 11 kV
 any voltage level

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Power Systems
MCB stands for

  miniature circuit breaker.
  molded circuit breaker.
  minimum capacity breaker.
  maximum capacity breaker.

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