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Power Systems

Power Systems
One fission of U235 releases energy of

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

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Power Systems
A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is

 200 Ω
 800 Ω
 400 Ω
 0 Ω

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Power Systems
Operating cost of thermal power station is

 is the same as that of nuclear power plant.
 less than that of nuclear power plant.
  less than that of diesel power plant.
 less than that of hydroelectric power plant.

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Power Systems
The equation of area control error(ACE) is

 ACE = ΔPtie - b.Δf
 ACE = ΔPtie +1/ b.Δf
 ACE = ΔPtie - 1/b.Δf
 ACE = ΔPtie + b.Δf

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Power Systems
If we increase the length of the transmission line, the charging current

None of these
 remains unaffected
 decreases
 increases

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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

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

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