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Power Systems

Power Systems
India 1st nuclear plant was set up at

  Kalpakkam.
  Rana pratap sagar.
  Bhaba.
  Tarapur.

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Power Systems
In thermal power stations, economiser will

 reduce the heat
 reduce the thermal efficiency
 increase the thermal efficiency
 both 2 and 3

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Power Systems
The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line?

 1500 Ω
 3000 Ω
 750 Ω
 1000 Ω

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Power Systems
Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable?

 Air blast CB.
 Oil CB.
 Any of these.
  Vacuum CB.

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Power Systems
What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ?

 150 : 4 / √3.
  200 : 5 / √3.
  100 : 5 / √3.
 120 : 6 / √3.

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Power Systems
Apart from the skin effect the non uniformity of the current distribution is also caused by

All of these
 proximity effect
 bundled conductors
 ferranti effect

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