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Power Systems

Power Systems
Fault calculations using computer are usually done by

None of these
 either 1 or 2
 Y bus method
 Z bus method

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Power Systems
Rankine cycle efficiency of a steam power plant is of

  30 - 45 %.
  45 - 80 %.
  20 - 30 %.
  60 - 80 %.

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Power Systems
Proximity effect is more in case of

 same in both cases
 over head lines
None of these
 power cables

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Power Systems
The rate of rise of restricting voltage depends upon the

 Type of CB.
 Capacitance of the system.
  Inductance and capacitance of the system.
 Inductance of the system.

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Power Systems
One fission of U235 releases energy of

 335 MeV.
 525 MeV.
  200 MeV.
 435 MeV.

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Power Systems
Differential relays does not used for which of the following faults?

 through faults
 faults within a transformer
 both 1 and 2
 faults within a generator

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