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Power Systems

Power Systems
If skin depth is more, then skin effect is

 more
 less
 either 1 or 2
None of these

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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?

 33*33
 84*84
 34*34
 83*83

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Power Systems
Which of the following relationships are not valid for short transmission lines

 A = D = 1
 B = C = Z
 Is = Ir
All of these

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Power Systems
Aluminium is now most commonly employed conductor material in transmission lines than copper because

 it is more conductive
 costlier
 its tensile strength is more
 it is cheaper and lighter

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Power Systems
The most suitable circuit breaker for short line fault without switching resistor is

  SF6 breaker.
 oil circuit breaker.
 air blast circuit breaker.
 none of these.

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Power Systems
Which of the following is not base load power plant

  Pump storage.
  Diesel.
  Nuclear.
  Run water.

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