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Power Systems

Power Systems
India’s largest thermal power station is located at

 Neyveli.
 Chandrapur.
 Kota.
 Sarni.

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Power Systems
Electrostatic precipitators in thermal power plants are used for

 removal of ash from flue gas
 remove moisture from the cole
All of these
 control flow rate

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Power Systems
The overall efficiency of a steam power plant equal to

 the Rankine cycle.
 binary vapor cycle.
  product of boiler efficiency, turbine efficiency and generator efficiency.
 regenerative cycle.

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Power Systems
The positive sequence reactance will be equal to negative sequence if the equipment is

  motor.
  generator.
  none of these.
  transformer and transmission lines.

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Power Systems
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is

 6.06 Ω / phase.
 2.26 Ω / phase.
 4.65 Ω / phase.
  8.06 Ω / phase.

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Power Systems
In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is

  1.
  un changed.
 5.
 10.

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