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Power Systems

Power Systems
In Francis turbine runner, the number blades is usually of the order of

 3 - 6.
  16 - 24.
 12 - 14.
 6 - 8.

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Power Systems
A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is

 0.5
 unity
 0.707 leading
 0 leading

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Power Systems
Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be

 0.45 pu
 0.15 pu
 0.05 pu
 0.25 pu

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Power Systems
Rating of fuse wire is expressed in

  Ampere.
  Mho.
 ÃŽÂ©.
  Watts.

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Power Systems
Which of the following plants is/are base load plants

 both 1 and 2
 nuclear
 run off river
 pump storage

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Power Systems
Zero voltage regulation is possible only for

 lagging power factor
 unity power factor
All of these
 leading power factor

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