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Power Systems

Power Systems
Graphite is use din nuclear plant as a / an

 fuel.
 electrode.
 coolant.
  moderator.

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Power Systems
Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is

 800 MW
 200 MW
 1600 MW
 400 MW

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Power Systems
Capacitance voltage transformer ( CVT ) is used to

 connect instruments on the LT side.
  improve the power factor of the transmission.
 none of these.
 reduce losses in a transmission line.

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Power Systems
A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency

  30.7 %.
 40 %.
 40.85 %.
  30.26 %.

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Power Systems
In nuclear chain fission reaction each neutron causing fission produces

 no new neutron.
 one new neutron.
 less than one new neutron.
  at least one new neutron.

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Power Systems
Which of the following will take least time in starting from cold condition to full load operation

 Thermal power plant.
 Gas turbine plant.
 Nuclear power plant.
  Hydro electric power plant.

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