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Power Systems

Power Systems
The 1st nuclear plant in world was commissioned in

  U.S.A.
 U.K.
  U.S.S.R.
  UAE.

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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

  Kaplan.
  Impeller.
  Francis.
  Pelton.

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Power Systems
When a pumped storage power plant is operated in conjunction with a steam power plant

 chances of the tripping of the system decrease
 load factor of the steam plant is increased
All of these
 the operating cost of the steam plant become optimum

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Power Systems
At slack bus, which one of the following combinations of variables is not specified?

 P and Q
 V and δ
 P and V
 Q and V

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Power Systems
The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is

 2 pu
 4 pu
 0.2 pu
 0.5 pu

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Power Systems
A buchholz relay is used for

 protection of a transformer against all external faults
 nether 1 nor 2
 both 1 and 2
 protection of a transformer against all internal faults

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