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POWER SYSTEMS

Power Systems
Which of the following is/are the effects of corona

 power loss decreases
All of these
 charging current increases
 interference decreases

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Power Systems
Tidal power plant is a example of which of the following plant?

 either 1 or 2
 peak load plant
None of these
 base load plant

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Power Systems
Which of the following is/are the desirable properties of a insulator material?

 Low ratio of puncture strength to flash over.
 Both 1 and 2
 High relative permittivity
 High ratio of puncture strength to flash over.

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Power Systems
Most commonly used material for insulator is

All of these
 mica
 porcelain
 glass

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Power Systems
If the breakdown voltage of the insulator is high, the thickness of the insulator is

None of these
 less
 high
 it does not related to breakdown voltage

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