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Power Systems

Power Systems
Pumped storage plant is a

 base load plant
 both 1 and 2
 peak load plant
None of these

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Power Systems
In a regenerative cycle, feed water is heated by

 exhaust gas.
  drained steam from turbine.
 all of above.
 heaters.

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Power Systems
The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is

 23.33 mH.
  23.8 mH.
 25.8 mH.
 21.2 mH.

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Power Systems
Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length.

 Halves.
 Decrease but does not halves.
  Increase but does not doubled.
 Doubled.

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Power Systems
Lightning arresters are used to protect electrical equipment against

 direct strokes of lightning.
 power frequency of over voltages.
 over currents due to lightning stroke.
  over voltages due to indirect lightning stroke.

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Power Systems
Example of base load stations are

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

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