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Power Systems

Power Systems
Calorific value of solid fuel is expressed as

  KCal / lt.
  KCal / gm.
  Cal / lt.
  Cal / gm.

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Power Systems
The charging current of a 400 kV line is more than that of a 220 kV line of the same length?

None of these
 False
 True
 either 1 or 2

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Power Systems
In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is

 55.56 MVAr.
 61.73 MVAr.
  40.5 MVAr.
 45.0 MVAr.

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Power Systems
What are the methods of laying underground cables?

 None of these.
 Direct laying.
 Draw - in - system / duct - pipe laying.
  Both A and B.

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Power Systems
Ferranti effect can be compensated by which of the following

 both 1 and 2
 shunt capacitor
 series capacitor
 shunt reactor

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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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