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Power Systems

Power Systems
Operating time of pumped storage plant is

 can't say
 high
 low
 very high

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Power Systems
Which of the following is low specific speed turbine?

 Kaplan
None of these
 Pelton
 Francis

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Power Systems
A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be

  720 MW.
 730 MW.
 740 MW.
 710 MW.

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Power Systems
Merze price current scheme protection is used in

  both A and B.
  alternator.
  transformer.
  bus bars.

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Power Systems
What is the approximate efficiency of a normal thermal power station?

 45-55%
 20-25%
 60-70%
 30-40%

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Power Systems
An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is

 100 MVA
 200 MVA
 500 MVA
 400 MVA

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