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Power Systems

Power Systems
If the load is short circuited, then reflection coefficient of voltage is

 -2
 1
 -1
 0

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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
Reflector of a nuclear reactor are made up of

  beryllium.
 cast iron.
  boron.
 steel.

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Power Systems
Which of the following is not a secondary nuclear fuel

 None of above.
 U233.
  U235.
 Pu239.

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Power Systems
Normally Z bus matrix is a

 unit matrix
 null matrix
 sparse matrix
 full matrix

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Power Systems
Under over excitation synchronous phase modifier works as

 any of the above
 shunt capacitor
 series capacitor
 shunt reactor

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