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Power Systems

Power Systems
Proximity effect is more in case of

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

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Power Systems
Recovery voltage in CB is equal to

  normal frequency 50 Hz rms voltage.
  none of these.
  arcing period voltage.
  transient voltage.

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Power Systems
Installation of capacitors at suitable locations and of optimum size in a distribution system results in

 improved voltage regulation
All of these
 reduction in distribution power loss
 reduction of KVA rating of distribution transformers

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Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 1
 10
 5
 100

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Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

 Th232.
 U238.
  U235.
 Pu239.

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Power Systems
What is the function of economiser in steam boilers

 cooling
All of these
 improving thermal efficiency
 collect ash particals

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