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Power Systems

Power Systems
Demand factor of a plant is

 0
 1
 less than 1
 greater than 1

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

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

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Power Systems
Which cooling is preferred for large turbine generator

  Hydrogen cooling.
  Nitrogen cooling.
  Oxygen cooling.
  None of these.

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Power Systems
Find the number of strands of ACSR conductor for 4 layer transmission line?

 7
 1
 29
 37

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Power Systems
If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line

 0.018 per Km.
 None of them.
 0.01 + j 0.02 per Km.
 0.09 + j 0.018 per Km.

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Power Systems
Surge tank is kept very close to the

 pen stock
 spill way
 turbine
 generator

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