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Power Systems

Power Systems
One fission of U235 releases energy of

  200 MeV.
 335 MeV.
 525 MeV.
 435 MeV.

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Power Systems
Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line)

 2Zl/(Zs + Zl)
 (Zs - Zl)/(Zs + Zl)
 2Zs/(Zs + Zl)
 (Zl - Zs)/(Zs + Zl)

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Power Systems
Which of following generating plants has the minimum operating cost

 Nuclear plant.
 Hydroelectric plant.
 Steam plant.
 Diesel plant.

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Power Systems
Zero sequence currents can flow from a line into a transformer bank if the windings are in

 star / grounded star.
 delta / star.
  ground star / delta.
 delta / delta.

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Power Systems
If the penalty factor of a plant is unity, its incremental transmission loss is

 1
 -1
None of these
 0

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Power Systems
If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line

 0.09 + j 0.018 per Km.
 0.01 + j 0.02 per Km.
 None of them.
 0.018 per Km.

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