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Power Systems

Power Systems
The value of inductance used for compensation of arcing grounds is

 3ω²C
 1/3ω²C
 ω²C/3
 3/ω²C

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Power Systems
With reference to hydrometer station, the graphical representation of the discharge as function of time is known as

 Monograph.
 Hectograph.
 Load duration curve.
  Hydro-graph.

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Power Systems
In triangular configuration, inductance and capacitance values are ------ and ------ respectively

 less, higher
 higher, less
 less, less
 higher, higher

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Power Systems
Condition for zero voltage regulation is

 tanφ = R/X
 tanφ = X/R
 cosφ = R/X
 cosφ = X/R

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Power Systems
Which of following power plants will take long period in erection and installation

 Hydro Power Plant
 Thermal.
 Nuclear.
 Gas turbine.

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Power Systems
Pelton wheel turbine is a

  low head turbine.
  none of above.
  medium head turbine.
  high head turbine.

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