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Power Systems

Power Systems
Merze price current scheme protection is used in

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

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Power Systems
Pipes carrying steam are generally of

 cast iron.
 aluminium.
  steel.
 cobalt.

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

 Q and V
 V and δ
 P and Q
 P and V

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Power Systems
Which of following generating plants has the minimum operating cost

 Steam plant.
 Diesel plant.
 Hydroelectric plant.
 Nuclear plant.

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

 60-70%
 20-25%
 45-55%
 30-40%

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Power Systems
In which of the following configuration power transferability is higher?

 same in both configuration
None of these
 triangular configuration
 horizontal configuration

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