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Power Systems

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

 turbines
 boiler
 condenser
 ESP

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Power Systems
Range of accelerating factor is

 1.6 to 1.8
 50 to 100
 10.8 to 11.2
 1 to 10

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

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

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Power Systems
Plant capacity factor value is

 greater than 1
 0
 less than 1
 1

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Power Systems
The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is

  6 A.
 10 A.
 8 A.
 7 A.

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Power Systems
In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is

 61.73 MVAr.
 45.0 MVAr.
 55.56 MVAr.
  40.5 MVAr.

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