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Power Systems

Power Systems
Phase shift occurs due to which of the following components?

 capacitance
 inductance
 conductance
 both 1 and 2

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Power Systems
In a nuclear reator thermal energy is obtained from

  fission of radioactive material.
 burning of fuel rods in oxygen.
 all of above.
 fusion of radioactive material.

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Power Systems
Earth fault relay uses the which of the following sequence currents?

 positive sequence
 negative sequence
 any of the above
 zero sequence

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Power Systems
A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 34*34
 84*84
 33*33
 83*83

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Power Systems
The use of high speed circuit breakers

 decrease system stability.
 increased the short circuit current.
  improves system stability.
 reduces the short circuit current.

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Power Systems
Which of the following is used in thermal plants

 Otto cycle
All of these
 Joule cycle
 Rankine cycle

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