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Power Systems

Power Systems
In kaplan runner, the number of blades is generally of the order of

  3 - 6.
  16 - 24.
 12 - 16.
 1 - 2.

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Power Systems
The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected?

 11.8%
 88.2%
 15%
 85%

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Power Systems
Specified quantities of slack bus are

 P and Q
 V and δ
 P and V
 P and δ

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Power Systems
At slack bus, which one of the following combinations of variables is not specified?

 V and δ
 P and V
 P and Q
 Q and V

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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

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

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Power Systems
A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively?

 0.733 and 0.65
 0.65 and 0.55
 0.733 and 0.55
 0.55 and 0.733

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