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Power Systems

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

 3 - 6.
  16 - 24.
 6 - 8.
 12 - 14.

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Power Systems
Power transmission lines are transposed to reduce

 proximity effect
 skin effect
 radio interference
 ferranti effect

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Power Systems
Telecommunication lines are transposed to reduce the

 efficiency
All of these
 radio interference in communication lines
 voltage level

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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 / V.
 V2.
  1 / V2.

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Power Systems
The insulation of the modern EHV lines is designed based on

 corona.
  the switch voltage.
 the lighting voltage.
 R × I.

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Power Systems
Sparse matrix is matrix which contain

 more number of non zeros
 less number of memory elements
 more number of memory elements
 more number of zeros

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