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Power Systems

Power Systems
One fission of U235 releases energy of

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

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Power Systems
Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form?

 any of the above
 RMS and Instantaneous value
 RMS and RMS value
 Instantaneous and RMS value

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Nuclear.
 Thermal.
 Gas-turbine.
 Hydro Power Plant

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Power Systems
Load frequency control is achieved by properly matching the individual machines

  generator ratings.
  reactive powers.
  turbine inputs.
  generated voltages.

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Power Systems
A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be

 52 MW.
  51.61 MW.
 53 MW.
 57.5 MW.

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Power Systems
Cheapest plant in operation and maintenance is

  diesel power.
  steam power.
  hydroelectric.
  nuclear.

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