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Power Systems

Power Systems
Ideal plant load cfactor is

 less than 1
 0
 greater than 1
 1

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Power Systems
The specific speed of water turbine is the speed at which the turbine develops

 unit horse power at all heads.
 a minimum horse power.
  unit horse power at unit head.
 maximum horse power.

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Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

 0.05 mH/Km
 0.025 mH/Km
 0.1 mH/Km
 0 mH/Km

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Power Systems
Galvanised steel is generally used as

 earth wire.
 structural components.
 stray wire.
All of these

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Power Systems
The overall efficiency of a steam power plant equal to

 binary vapor cycle.
 regenerative cycle.
 the Rankine cycle.
  product of boiler efficiency, turbine efficiency and generator efficiency.

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Power Systems
Which of the following transformer is used in sub station for operating a protective relay?

All of these
 capacitor voltage transformer
 distribution transformer
 auto transformer

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