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Power Systems

Power Systems
Transmission line parameters of the short transmission line are

 1,0,Y,1
 Z,0,Y,1
 1,Z,0,1
 1,Z,Y,1

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Power Systems
An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is

 12.5 A
 15 A
 6.25 A
 10 A

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Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 4
 3
 5
 6

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Power Systems
Where air circuit breakers are used?

  Up to 11 kV.
  Up to 12 kV.
  Up to 66 kV.
  Up to 33 kV.

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Power Systems
In which power plant, the thermal efficiency is quite low

  Diesel power plant.
  Steam power plant.
  Nuclear power plant.
  Hydro power plant.

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Power Systems
A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be

 740 MW.
 710 MW.
 730 MW.
  720 MW.

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