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Power Systems

Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

  U235.
 Pu239.
 Th232.
 U238.

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Power Systems
High capacity generators and motors are of

 delta connected network
 star connected network
 any of the above
 star connected with grounding network

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Power Systems
Deaerative heating is done to

 heat the steam.
 heat the feed water.
 remove dissolved.
  remove dissolved gases in water.

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Power Systems
One fission of U235 releases energy of

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

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Power Systems
The rating of CB is in terms of

  volt - ampere.
  voltage.
  VAR.
  current.

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Power Systems
A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage?

 82.15 kV/phase
 41.075 kV/phase
 17.32 kV/phase
 34.64 kV/phase

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