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Power Systems

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

 Chandrapur.
 Neyveli.
 Sarni.
 Kota.

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

 45 kA.
  35 kA.
 55 kA.
 50 kA.

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Power Systems
The commercial sources of energy are

 none of above.
 solar, wind, biomass.
  fossile fuels and radioactive substances.
 wood, animal wastes and agricultural wastes.

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Power Systems
Phase shift occurs due to which of the following components?

 capacitance
 conductance
 both 1 and 2
 inductance

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

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Power Systems
What is the correct expression for the electrical power developed by

  ( 0.763 / 75 ) × WQHη.
 75 × 0.736 × WQHη.
 ( 7 / 75 ) × WQHη.
 ( 75 / 0.736 ) × WQHη.

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