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Power Systems

Power Systems
Range of accelerating factor is

 50 to 100
 1 to 10
 1.6 to 1.8
 10.8 to 11.2

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Power Systems
Where do compounding done in thermal power plants

  Turbine.
  Generator.
  Coal handling plant.
  Ash handling plant.

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Power Systems
The per unit impedance Z(pu) is given by

 ZΩ* (MVA)b/(KV)²b
 ZΩ* (MVA)b/((KV)²b *100)
 ZΩ* (MVA)b*100/(KV)²b
 ZΩ* (kVA)b/(KV)²b

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Power Systems
In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using

 direct heat in the furnace.
 LP steam.
 HP steam.
  flue gas.

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Power Systems
A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity?

 500 MW
 1250 MW
 750 MW
 250 MW

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Power Systems
Pin insulators are used up to

 120 kV
 any voltage level
 11 kV
 33 kV

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