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Power Systems

Power Systems
Demand factor of a plant is

 0
 1
 greater than 1
 less than 1

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Power Systems
In kaplan runner, the number of blades is generally of the order of

 12 - 16.
  3 - 6.
 1 - 2.
  16 - 24.

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Power Systems
When a nuclear reaction is operating at constant power the multiplication factor is

  1.
 greater than 1.
 less than 1.
 may be any of the above.

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Power Systems
Which of the following statements are true?

 nether 1 nor 2
 Bus admittance matrix is a sparse matrix
 Bus impedance matrix is a full matrix
 both 1 and 2

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Power Systems
Counter poise is used for

 more surge impedance
 less surge impedance
 reduce losses
 proper discharging of lighting surges

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

 45 kA.
 55 kA.
 50 kA.
  35 kA.

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