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Power Systems

Power Systems
Length of short transmission line is up to

 150 km
 40 km
 any of the above
 80 km

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Power Systems
The internal flux linkage due to internal flux of a conductor is

 I/4*10-7 wb-T/m
 I/6*10-7 wb-T/m
 I/2*10-7 wb-T/m
All of these

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Power Systems
Galvanised steel is generally used as

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

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Power Systems
Corona is accompanied by

All of these
 power loss and interference
 hissing sound
 violet visible light

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Power Systems
Which of the following produces the radio interference in communication lines?

 electro magnetic induction
 both 1 and 2
None of these
 electro static induction

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

 condenser.
  feed water pump.
 superheater.
 turbine.

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