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Power Systems

Power Systems
For symmetrical network, the neutral current is

 zero
 infinity
 maximum
 any of the above

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Power Systems
What is the correct expression for the electrical power developed by

  ( 0.763 / 75 ) × WQHη.
 ( 7 / 75 ) × WQHη.
 75 × 0.736 × WQHη.
 ( 75 / 0.736 ) × WQHη.

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Power Systems
Stability of a transmission line can be increased by

 both 1 and 2
 series capacitor
 shunt capacitor
 shunt reactor

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Power Systems
Which of the following will take least time in starting from cold condition to full load operation

 Gas turbine plant.
 Nuclear power plant.
 Thermal power plant.
  Hydro electric power plant.

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Power Systems
For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is

 Pelton.
  Kaplan.
 Impeller.
 Francis.

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Power Systems
Which of the following is an impulse turbine

  None of above.
  Pelton turbine.
  Francis turbine.
  Kaplan turbine.

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