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Power Systems

Power Systems
Rankine cycle efficiency of a steam power plant is of

  45 - 80 %.
  20 - 30 %.
  30 - 45 %.
  60 - 80 %.

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Power Systems
The power output of a nuclear power station is proportional to

 square of the rate at which fission reaction occurs.
  the rate at which fission reaction occurs.
 square root of the rate at which fission reaction occurs.
 none of above.

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Power Systems
Earthing switch is used for

All of these
 measuring of safety voltage
 discharging residual energies
 protection of equipment from ground faults

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Power Systems
Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§?

 200 Ω
 320 Ω
 400 Ω
 160 Ω

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Power Systems
In what from the initial energy will be released for the 200 MeV per fission by a neutron in a slow thermal nuclear reactor

 kinetic energy and sound energy.
  kinetic energy of particles and electromagnetic radiation.
 electromagnetic radiations.
 heat energy.

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Power Systems
An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is

 15 A
 10 A
 6.25 A
 12.5 A

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