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Power Systems

Power Systems
Rating of fuse wire is expressed in

  Watts.
  Ampere.
  Mho.
 ÃŽÂ©.

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Power Systems
Cheapest plant in operation and maintenance is

  steam power.
  hydroelectric.
  diesel power.
  nuclear.

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Power Systems
The essential requirement(s) for power plants to be operated as peak load plants are

 Quick response to load variation.
All of these
 Low capital cost.
 Capability of quick starts.

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Power Systems
Merze price current scheme protection is used in

  transformer.
  both A and B.
  alternator.
  bus bars.

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Power Systems
A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is

 0 Ω
 400 Ω
 200 Ω
 800 Ω

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Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching

  SF6.
  oil.
  air blast.
  vacuum.

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