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Power Systems

Power Systems
A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be

  35 kVA.
 49 kVA.
 70 kVA.
  89.22 kVA.

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Power Systems
Location of a surge tank, in an hydro electric power station is near

  turbine.
 tail race.
 dam.
 reservoir.

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Power Systems
In thermal power stations, economiser will

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

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Power Systems
If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments?

 25 to 35 kV
 any voltage above 33 kV
 33 to 50 kV
 31.35 to 34.65 kV

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Power Systems
The economics of power plant is greatly influenced by

 both 1 and 2
 nether 1 nor 2
 diversity factor
 load factor

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Power Systems
Which of the following statement is/are true regarding infinite line?

 It has infinite length
 It maintains the constant voltage
 It has infinite voltage
 both 2 and 3

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