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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 P and V
 P and Q
 δ and Q
 V and δ

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Power Systems
Which cooling is preferred for large turbine generator

  Oxygen cooling.
  Hydrogen cooling.
  Nitrogen cooling.
  None of these.

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

 ESP
 turbines
 condenser
 boiler

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Power Systems
Galvanised steel is generally used as

 structural components.
 stray wire.
 earth wire.
All of these

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Power Systems
In which of the following transmission lines capacitance effect is negligible?

 shoart transmission lines
 long transmission lines
 medium transmission lines
 both 1 and 3

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Power Systems
A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency?

 10 MW
 20 MW
 15 MW
 5 MW

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