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Power Systems

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

 average
 any of the above
 maximum
 RMS

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Power Systems
The load current in short circuit calculations are neglected because

 short circuit currents are much larger than load currents
 short circuit currents are greatly out of phase with load currents
 nether 1 nor 2
 both 1 and 2

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Power Systems
On which one of the following cycles does a modern steam power plant work?

 Carnot cycle
 Rankine cycle
 Otto cycle
 Bell-Coleman cycle

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Power Systems
The function of moderator in a nuclear reactor is to

 absorb neutrons.
 reduce temperature.
  reduce the speed of neutrons.
  stop chain reaction.

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Power Systems
Based on the discharge, Kaplan turbine will discharge

 >10000 lpm
 1000 lpm

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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

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

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