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Power Systems

Power Systems
Attenuation occurs due to

 inductance
 both 1 and 3
 conductance
 resistance

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Power Systems
Graphite is use din nuclear plant as a / an

 electrode.
  moderator.
 fuel.
 coolant.

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Power Systems
Which of the following is/are advantages of N-R method?

 Number of iterations are less
 both 1 and 2
 Time taken for each iteration is less
 Applicable for large power system network

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Power Systems
Which cooling is preferred for large turbine generator

  Oxygen cooling.
  Nitrogen cooling.
  Hydrogen cooling.
  None of these.

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Power Systems
a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency?

 2.9 kHz
 290 kHz
 29 MHz
 29 kHz

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Power Systems
Which power plant cannot have single unit of 100 MW capacity

 Nuclear power plant.
  Diesel engine plant.
 Steam power plant.
 Hydro electric power plant.

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