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Power Systems

Power Systems
Which of following materials can be used as coolant

 Heavy water.
 Helium.
  Any of above.
 CO2.

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Power Systems
Surge impedance loading of a line is increased by which of the following compensation methods?

 shunt reactor
 shunt capacitor
 both 1 and 2
 series capacitor

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Power Systems
Galvanised steel is generally used as

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

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Power Systems
A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

 5 MW
 6 MW
 10 MW
 12 MW

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Power Systems
The load current in short circuit calculations are neglected because

 both 1 and 2
 short circuit currents are greatly out of phase with load currents
 nether 1 nor 2
 short circuit currents are much larger than load currents

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Power Systems
Reflector of a nuclear reactor are made up of

 steel.
  boron.
  beryllium.
 cast iron.

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