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Power Systems

Power Systems
India 1st nuclear plant was set up at

  Tarapur.
  Bhaba.
  Kalpakkam.
  Rana pratap sagar.

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Power Systems
One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is

 120 MWhr
 135.3 MWhr
 140 MWhr
 130.2 MWhr

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Power Systems
Which of the following relationships are not valid for short transmission lines

 B = C = Z
All of these
 Is = Ir
 A = D = 1

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Power Systems
What are the methods of laying underground cables?

 None of these.
  Both A and B.
 Draw - in - system / duct - pipe laying.
 Direct laying.

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Power Systems
Which of the following produces the radio interference in communication lines?

 both 1 and 2
 electro static induction
 electro magnetic induction
None of these

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Power Systems
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

 delta-star
 star-delta
 star-star
 delta-delta

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