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Power Systems

Power Systems
In thermal plant most of the energy is wasted in

 ESP
 boiler
 condenser
 turbines

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Power Systems
For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is

  9.01 kV / μs.
 12.2 kV / μs.
 2.0 kV / μs.
 10.01 kV / μs.

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Power Systems
The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is

 21.2 mH.
 23.33 mH.
 25.8 mH.
  23.8 mH.

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Power Systems
Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant

 Use of steam for heating of boiler feed water.
 Use of high pressure.
All of these
 Reheat of steam an intermediate stages.

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Power Systems
The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is

 10.
 55.1.
 20.
  5.

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Power Systems
If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is

 5 MJ
 500 MJ
 10 MJ
 50 MJ

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