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Power Systems

Power Systems
Example of base load stations are

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

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Power Systems
NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at

 Durgapur.
 Bakreshwar.
 Katwa.
 Farakka.

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Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 1
 100
 5
 10

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Power Systems
Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant

 Reheat of steam an intermediate stages.
 Use of high pressure.
 Use of steam for heating of boiler feed water.
All of these

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Power Systems
Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be

 0.45 pu
 0.15 pu
 0.05 pu
 0.25 pu

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Power Systems
When reactance grounding is used in network, the voltage between neutral and ground is

 IN × Xn
 IR0 × Xn
 both 1 and 3
 3×IR0 × Xn

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