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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 V and δ
 P and V
 δ and Q
 P and Q

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Power Systems
For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is

  Pelton.
  Kaplan.
  Francis.
  Impeller.

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

 long transmission lines
All of these
 medium transmission lines
 short transmission lines

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Power Systems
Main bus bar protection scheme is /are

  fault bus protection.
  both fault bus and differential protection.
  none of these.
  differential protection.

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Power Systems
Electrostatic precipitators in thermal power plants are used for

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

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Power Systems
If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs.

  5.
 3.
 7.
 20.

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