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Power Systems

Power Systems
A gas turbine power plant is best suited for

 None of these.
 Peak load.
 Emergency.
 Base load.

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Power Systems
Which of the following is a reaction turbines

  None of these.
  Francis turbine and Kaplan turbine.
  Kaplan and Pelton turbine.
  Pelton turbine and Francis turbine.

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Power Systems
For distortion less line which of following relation are true

 None of above.
 R/L = C/G.
 R = O, G = O.
 R/L = G/C.

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Power Systems
A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications

 Condenser.
 Ash handling unit.
 Pulversing unit.
 Cooling tower.

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Power Systems
When a pumped storage power plant is operated in conjunction with a steam power plant

 chances of the tripping of the system decrease
 load factor of the steam plant is increased
 the operating cost of the steam plant become optimum
All of these

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Power Systems
If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be

 350 Amp.
 200 Amp.
 300 Amp.
  250 Amp.

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