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Power Systems

Power Systems
Pumped storage plant is a

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

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Power Systems
Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge?

 4.45 kW
 2.90 kW
 9.81 kW
 19.60 kW

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Power Systems
If we increase the spacing between the phase conductors, the value of line inductance

 decrease
 increase
None of these
 remains unaffected

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Power Systems
The equation of area control error(ACE) is

 ACE = ΔPtie - 1/b.Δf
 ACE = ΔPtie + b.Δf
 ACE = ΔPtie - b.Δf
 ACE = ΔPtie +1/ b.Δf

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Power Systems
Ships are usually supplied power by

  Diesel engine.
 Steam accumulator.
 Hydraulic turbine.
 None of above.

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Power Systems
Lightning arresters are used to protect electrical equipment against

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

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