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Power Systems

Power Systems
The value of inductance used for compensation of arcing grounds is

 3/ω²C
 3ω²C
 1/3ω²C
 ω²C/3

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Power Systems
Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form?

 RMS and RMS value
 Instantaneous and RMS value
 any of the above
 RMS and Instantaneous value

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Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 19
 7
 29
 1

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Power Systems
Surge impedance loading of a transmission line can be increased by

 increasing its voltage level
 both 1 and 3
 addition of lumped inductance in parallel
 addition of lumped capacitance in series

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Power Systems
How much KWh energy is produced by fission of 1 gm of uranium U235

  24000 kWh.
 240 kWh.
 2400 kWh.
  24 kWh.

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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

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

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