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Power Systems

Power Systems
Rating of fuse wire is expressed in

  Ampere.
  Watts.
 ÃŽÂ©.
  Mho.

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Power Systems
On what factor does the performance of a circuit breaker depend?

  Both A and C.
 Critical length of breaking.
  None of these.
  Breaking speed.

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Power Systems
The most commonly used material for insulators of overhead lines is

 PVC
 glass
 porcelain
 mica

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Power Systems
If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be

 300 Amp.
 200 Amp.
  250 Amp.
 350 Amp.

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Power Systems
Ships are usually supplied power by

  Diesel engine.
 Steam accumulator.
 Hydraulic turbine.
 None of above.

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Power Systems
Advantages of gauss siedel method is/are

All of these
 applicable for large power system network
 number of iterations are less
 calculation time for each iteration is less

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