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Power Systems

Power Systems
In Francis turbine runner, the number blades is usually of the order of

 12 - 14.
  16 - 24.
 3 - 6.
 6 - 8.

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

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

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Power Systems
If the fault is very nearer to the generator, the fault current is

 any of the above
 zero
 larger
 less

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Power Systems
Isolator in sub station is open under ------------- condition?

 short circuit
 any of the above
 full load
 no load

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Power Systems
The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be

  0.83.
 0.44.
 1.3.
 0.25.

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Power Systems
Which of the following statements is/are true regarding HVDC?

 Corona loss is very much reduced in the dc line
All of these
 HVDC can utilize earth for its return path
 There is no skin effect in dc line

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