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Power Systems

Power Systems
Skin effect depends on

 relative permeability
 conductivity
All of these
 frequency

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Power Systems
The power station that does not requier any moving part is

 Solar power generation.
 Tidal power generation.
  Thermonic convertor.
 Wind power generation.

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Power Systems
Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line)

 2Zs/(Zs + Zl)
 2Zl/(Zs + Zl)
 (Zl - Zs)/(Zs + Zl)
 (Zs - Zl)/(Zs + Zl)

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Power Systems
The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is

 8 A.
 7 A.
 10 A.
  6 A.

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Power Systems
The receiving end voltage for a long line under no load condition is

 less than the sending end voltage
 any of the above
 equal to the sending end voltage
 more than the sending end voltage

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Power Systems
Which of the following is not a secondary nuclear fuel

 U233.
 Pu239.
 None of above.
  U235.

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