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Power Systems

Power Systems
Normally Z bus matrix is a

 sparse matrix
 unit matrix
 null matrix
 full matrix

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Power Systems
Corona is accompanied by

 hissing sound
All of these
 power loss and interference
 violet visible light

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Power Systems
The average thermal efficiency of a modern nuclear power plant is about

 40 %.
 60 %.
  30 %.
 80 %.

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Power Systems
Which of the following is/are the effects of corona

 charging current increases
 power loss decreases
All of these
 interference decreases

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Power Systems
Radio interference occur in telecommunication line due to

 electro magnetic induction
 both 1 and 2
 electro static induction
 nether 1 nor 2

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Power Systems
In a regenerative cycle, feed water is heated by

  drained steam from turbine.
 exhaust gas.
 heaters.
 all of above.

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