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Power Systems

Power Systems
Rating of fuse wire is expressed in

 ÃŽÂ©.
  Mho.
  Ampere.
  Watts.

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Power Systems
Suspension type insulators are used for voltage beyond

 230 V
 440 V
 33 kV
 11 kV

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Power Systems
In a nuclear reator thermal energy is obtained from

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

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Power Systems
Pump storage schemes are used to improve

 the load factor.
 the power factor.
 the diversity factor.
  the plant capacity factor as well as the load factor of the power system.

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Power Systems
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is

  8.06 Ω / phase.
 2.26 Ω / phase.
 4.65 Ω / phase.
 6.06 Ω / phase.

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Power Systems
Reactance relays are used for the protection of

All of these
 medium transmission lines only
 short transmission lines only
 long transmission lines only

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