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Power Systems

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

 Sarni.
 Chandrapur.
 Kota.
 Neyveli.

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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

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

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Power Systems
In thermal power stations, economiser will

 reduce the heat
 reduce the thermal efficiency
 both 2 and 3
 increase the thermal efficiency

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Power Systems
Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of

  high energy loss from turbine exhaust to condenser.
 high energy loss in boiler.
 low alternative efficiency.
 low steam turbine mechanical efficiency.

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Power Systems
Skin effect depends on

 relative permeability
 conductivity
All of these
 frequency

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Power Systems
Example of base load stations are

  hydro.
  thermal.
  gas turbine.
  both A and B.

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MORE MCQ ON Power Systems

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