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Power Systems

Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.5
 0.4
 0.75
 0.25

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Power Systems
The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers)

 N = 3x²-3x+1
 N = 3x²+3x+1
 N = 3x²-2x+1
 N = 3x²-6x+1

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

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

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

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

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Power Systems
The 1st nuclear plant in world was commissioned in

  U.S.S.R.
  UAE.
 U.K.
  U.S.A.

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Power Systems
The total number of strands in a ACSR conductor are 7, then find the layer number?

 5
 2
 3
 7

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