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Power Systems

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

 more
 less
None of these
 either 1 or 2

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Power Systems
MCB stands for

  minimum capacity breaker.
  maximum capacity breaker.
  molded circuit breaker.
  miniature circuit breaker.

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Power Systems
Nuclear fission means

  combination of two light nuclei.
  moderator.
  graphite.
  breaking up of nuclear of heavy atoms into nearly equal parts.

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Power Systems
In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines?

 2
 4
 5
 8

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Power Systems
Which turbine is ideally suited to pumped storage plants

 Impeller.
 Pelton.
  Kaplan.
 Francis.

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Power Systems
The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

 10.936 pu
 7.936 pu
 9.936 pu
 8.936 pu

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