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Power Systems

Power Systems
A hydroelectric power station is commonly found in

 grasslands.
 desert areas.
  hilly areas.
 swamps.

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Power Systems
Rating of fuse wire is expressed in

  Ampere.
 ÃŽÂ©.
  Watts.
  Mho.

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Power Systems
Power transmission lines are transposed to reduce

 ferranti effect
 proximity effect
 radio interference
 skin effect

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Power Systems
The insulator thickness on the conductor, in cables depends upon

 power factor
 reactive power
 voltage
 current

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Power Systems
The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be

 420 Ω
 210 Ω
 400 Ω
 840 Ω

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Power Systems
In kaplan runner, the number of blades is generally of the order of

 1 - 2.
 12 - 16.
  16 - 24.
  3 - 6.

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