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Power Systems

Power Systems
In which of the following given faults, all the sequence currents are equal?

 LLL
 LG
 LLG
 LL

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Power Systems
The flow duration curve at a given head of a hydroelectric plant is used to determine

 total units of energy available.
 load factory at the plant.
  total power available at the site.
 diversity factor for the plant.

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Power Systems
The thermal efficiency of BWR is

  equal to that of PWR.
None of these
 greater than that of PWR.
 less than that of PWR.

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

 1
 7
 37
 29

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Power Systems
High capacity generators and motors are of

 star connected with grounding network
 delta connected network
 any of the above
 star connected network

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Power Systems
A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively?

 0.8, 0.6 and 1.2 pu
 0.6, 0.8 and 1.2 pu
 0.8, 0.8 and 1.2 pu
 0.6, 0.6 and 1.2 pu

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