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Power Systems

Power Systems
For symmetrical network, the neutral current is

 zero
 any of the above
 infinity
 maximum

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Power Systems
The specific speed of water turbine is the speed at which the turbine develops

 unit horse power at all heads.
 a minimum horse power.
 maximum horse power.
  unit horse power at unit head.

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Power Systems
Plant capacity factor value is

 less than 1
 0
 1
 greater than 1

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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

 Acceleration factor
 Blocking factor
 Lagrange multiplier
 Gauss constant

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Power Systems
Which of the following method is used for changing power factor from leading to lagging

 series capacitor
 shunt capacitor
 shunt reactor
 any of the above

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Power Systems
Aluminium is now most commonly employed conductor material in transmission lines than copper because

 costlier
 it is cheaper and lighter
 it is more conductive
 its tensile strength is more

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