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Power Systems

Power Systems
Rating of fuse wire is expressed in

  Watts.
  Mho.
  Ampere.
 ÃŽÂ©.

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Power Systems
For a lossy transmission line, the characteristic impedance does not depend on

 The conductivity of conductors.
 The operating frequency of the line.
 The permittivity of the dielectric separating the conductor.
 The load terminating the line.

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Power Systems
Specified quantities of load bus are

 P and δ
 V and δ
 P and Q
 Q and V

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Power Systems
Advantages of higher transmission voltage is/are

All of these
 Area of cross section and volume of the conductor is reduced
 Power transfer capability of the transmission line is increased
 Transmission line losses are reduced

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Power Systems
In nuclear power plants which material is/are used as coolant?

 beryllium
 graphite
 liquid sodium
All of these

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Power Systems
For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to

 V2.
 V.
 1 / V.
  1 / V2.

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