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Power Systems

Power Systems
Rating of fuse wire is expressed in

  Mho.
  Ampere.
  Watts.
 ÃŽÂ©.

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Power Systems
A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead

 -10%
 10%
 -6.92%
 6.92%

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Power Systems
Ideal plant load cfactor is

 1
 less than 1
 0
 greater than 1

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Power Systems
Length of the cable is doubled, its capacitance C will be

 one-fourth.
 doubled.
 one-half.
 unchanged.

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Power Systems
The characteristic impedance of a transmission on line is

 Directly proportional to its length.
 Inversely proportional to its length.
 Directly proportional to square root of its length.
  Independent of its length.

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Power Systems
Which of the following is low specific speed turbine?

None of these
 Kaplan
 Francis
 Pelton

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