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Power Systems

Power Systems
Condition for zero voltage regulation is

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

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Power Systems
Operator "a" rotates a vector

 clock wise direction
 nether 1 nor 2
 either 1 or 2
 anti clock wise direction

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Power Systems
Which of following are the fertile materials

 U238 and Pu239.
 U238 and Th239.
  U238 and Th232.
 U233 and Pu239.

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Power Systems
Which of the following power planets is the least reliable

 Tidal.
 Geothermal.
  Wind.
 Solar.

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Power Systems
A hydroelectric power station is commonly found in

  hilly areas.
 desert areas.
 swamps.
 grasslands.

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Power Systems
Non-commercial sources of energy are

  wood, animal wastes and agricultural wastes.
None of these
 fossil fuel, hydro power and nuclear power.
 solar, wind and biomass.

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