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Power Systems

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

 3 - 6.
 12 - 14.
  16 - 24.
 6 - 8.

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

 1 - 2.
  3 - 6.
  16 - 24.
 12 - 16.

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Power Systems
Percentage of carbon is highest in

  lignite coal.
  coal gas.
  bituminous coal.
  anthracite coal.

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Power Systems
For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to

 V.
  1 / V2.
 V2.
 1 / V.

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Power Systems
Peterson coil is used in case of transmission line for

 increase the voltage level
 reduce ferranti effect
 improve power factor
 compensation of arcing grounds

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Power Systems
Which of the following relationships are not valid for short transmission lines

 B = C = Z
All of these
 A = D = 1
 Is = Ir

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