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Power Systems

Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 d
 2d
 3d
 5d

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

 12 - 14.
 6 - 8.
  16 - 24.
 3 - 6.

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Power Systems
The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is

 25.8 mH.
 23.33 mH.
 21.2 mH.
  23.8 mH.

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Power Systems
A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect?

 15.9 mH
 15.9 H
 2 H
 2 mH

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Power Systems
The power station that does not requier any moving part is

 Wind power generation.
  Thermonic convertor.
 Solar power generation.
 Tidal power generation.

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Power Systems
In a transmission line the insulators to be used at the dead end or sharp curves are

 strain type
 pin type insulator
 suspension type
 any of the above

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