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Power Systems

Power Systems
One atomic mass unit is equivalent to

 120.4 MeV.
 180.5 MeV.
  931.4 MeV.
 251.2 MeV.

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Power Systems
Transmission lines are transposed to reduce

 skin effect
 interference with neighbouring communication lines
 proximity effect
 ferranti effect

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Power Systems
Which of the following transformer is used in sub station for operating a protective relay?

 auto transformer
All of these
 distribution transformer
 capacitor voltage transformer

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Power Systems
The term self GMD is used to calculate

 inductance
 resistance
 capacitance
 both 1 and 2

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Power Systems
A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is

 0.75
 0.5
 0.6
 1

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Power Systems
For head and low discharge the water turbine used

 Kaplan wheel.
 propeller turbine.
 Francis turbine.
  Pelton wheel.

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