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Power Systems

Power Systems
Condition for maximum voltage regulation

 cosφ = R/X
 tanφ = R/X
 cosφ = X/R
 tanφ = X/R

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Power Systems
Surge impedance loading (SIL) is represented by

 Vl²/Zs
 both 1 and 2
 Vl²*√(C/L)
 Vph²/Zs

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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
Which device is used for protection of equipment from from damage caused by overload or short circuit?

 CVT
 circuit breaker
 lightning arrester
 current transformer

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Power Systems
In a nuclear reator thermal energy is obtained from

 all of above.
 burning of fuel rods in oxygen.
 fusion of radioactive material.
  fission of radioactive material.

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Power Systems
Among the following which is not non conventional energy

  Wind.
  Nuclear.
  Tidal.
  Geothermal.

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