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Power Systems

Power Systems
Corona loss is ----------------- on hilly areas than as plain areas.

 remain same
 less
 more
None of these

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Power Systems
The term self GMD is used to calculate

 capacitance
 inductance
 both 1 and 2
 resistance

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Power Systems
Length of short transmission line is up to

 150 km
 any of the above
 80 km
 40 km

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Power Systems
When a transformer is loaded, the secondary terminal voltage gains. That means power factor is

 zero.
 unity.
  leading.
 lagging.

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Power Systems
Stock bridge dampers are used to

 reduce the vibrations at the point of support
 reduce the tension
All of these
 increase the sag

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Power Systems
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

 10 sec.
  5 sec.
 20 sec.
 none of these.

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