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Power Systems

Power Systems
The amount of ash content in Indian coal

 35 %.
 20 %.
  60 %.
  45 %.

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

 61.73 MVAr.
 55.56 MVAr.
  40.5 MVAr.
 45 MVAr.

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Power Systems
In a thermal power plants, pressure in the working fluid cycle is developed by

 superheater.
 condenser.
 turbine.
  feed water pump.

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Power Systems
Which of following power plants normally operage at high speeds

 Petrol engine.
  Thermal.
 Hydro electric.
 Diesel engine.

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Power Systems
A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel

  7166.67 KCal / Kg.
 7268.45 KCal / Kg.
 7562 KCal / Kg.
 7000 KCal / Kg.

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Power Systems
The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase?

 1.25
 1.13
 0.89
 1

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