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Power Systems

Power Systems
Operating time of pumped storage plant is

 very high
 low
 can't say
 high

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Power Systems
Binary vapor cycle are used for

  improving the condenser performance.
  increasing the turbine efficiency.
  improving the plant efficiency.
All of these

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Power Systems
For symmetrical network, the neutral current is

 maximum
 zero
 any of the above
 infinity

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Power Systems
In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by

 Blocking factor
 Lagrange multiplier
 Acceleration factor
 Gauss constant

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Power Systems
What type of back up protection is used for alternators?

  Mho relay.
  Buchholz relay.
  Impedance relay.
  IDMT relay.

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Power Systems
When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively

 increase and remain unaffected.
 decrease and remain unaffected.
 increase and decrease.
  decrease and increase.

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