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Power Systems

Power Systems
Surge tank is kept very close to the

 turbine
 pen stock
 generator
 spill way

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Power Systems
MCB stands for

  molded circuit breaker.
  maximum capacity breaker.
  miniature circuit breaker.
  minimum capacity breaker.

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Power Systems
Steady state stability of a power system is improved by

 single pole switching
 using double circuit line instead of single circuit line
All of these
 decreasing generator inertia

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Power Systems
The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is

 j9 pu
 j1 pu
 j6 pu
 j3 pu

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Power Systems
In which of the following frequency control method tie line may be overloaded?

 flat frequency control
 parallel frequency
 flat tie line control
All of these

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Power Systems
In a thermal power plants, pressure in the working fluid cycle is developed by

  feed water pump.
 turbine.
 superheater.
 condenser.

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