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Power Systems

Power Systems
Condition for maximum voltage regulation

 cosφ = R/X
 tanφ = X/R
 cosφ = X/R
 tanφ = R/X

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

All of these
 interference decreases
 charging current increases
 power loss decreases

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Power Systems
Which of the following plants is/are base load plants

 run off river
 both 1 and 2
 nuclear
 pump storage

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Power Systems
Which of the following insulator is practically used for railway crossings?

All of these
 strain insulator
 string insulator
 pin insulator

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Power Systems
The rating of CB is in terms of

  volt - ampere.
  current.
  voltage.
  VAR.

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Power Systems
India 1st nuclear plant was set up at

  Bhaba.
  Rana pratap sagar.
  Tarapur.
  Kalpakkam.

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