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Power Systems

Power Systems
Example of base load stations are

  hydro.
  gas turbine.
  both A and B.
  thermal.

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Power Systems
A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV?

 0.025
 0.02
 0.05
 0.25

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Power Systems
Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF?

 200 Ω
 800 Ω
 400 Ω
 160 Ω

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Power Systems
The presence of earth in case of overhead lines

 increase inductance
 decrease inducatance
 increase capacitance
 decrease capacitance

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Power Systems
Peak load power plants is/are

 diesel plant
 pumped storage plant
 both 1 and 2
 nuclear plants

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Power Systems
The rating of CB is in terms of

  current.
  voltage.
  volt - ampere.
  VAR.

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