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Power Systems

Power Systems
Pin insulators are used up to

 11 kV
 120 kV
 any voltage level
 33 kV

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Power Systems
Which of the following are the fissile materials

 U235 and Th239.
  None of these.
 U235, U233 and Pu239.
 U238 and Th232.

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

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

 medium transmission lines
 short transmission lines
 long transmission lines
All of these

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Power Systems
The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is

 j1 pu
 j9 pu
 j3 pu
 j6 pu

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Power Systems
For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is

  Kaplan.
 Pelton.
 Francis.
 Impeller.

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