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Power Systems

Power Systems
India’s largest thermal power station is located at

 Sarni.
 Neyveli.
 Kota.
 Chandrapur.

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Power Systems
Demand factor of a plant is

 greater than 1
 0
 1
 less than 1

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Power Systems
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

 20 sec.
  5 sec.
 10 sec.
 none of these.

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Power Systems
In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%.

 48.36 kV
 20 kV
 52.84 kV
 83.76 kV

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

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

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Power Systems
Surge impedance loading of a line is increased by which of the following compensation methods?

 shunt reactor
 shunt capacitor
 both 1 and 2
 series capacitor

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