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Power Systems

Power Systems
India 1st nuclear plant was set up at

  Bhaba.
  Kalpakkam.
  Tarapur.
  Rana pratap sagar.

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Power Systems
Condition for maximum voltage regulation

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

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

  35 kA.
 50 kA.
 55 kA.
 45 kA.

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Power Systems
String chart is drawn between

 nether 1 nor 2
 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis
 T on Y-axis and S and T on on X-axis
 both 1 and 2

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Power Systems
Which of the following statements is/are true? In case of parallel transmission lines

 fault current increases
 stability increases
 both 1 and 3
 fault current reduces

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Power Systems
Lightning arresters are made up of which material?

 any of the above
 copper
 silicon oxide
 silver

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