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Power Systems

Power Systems
Which turbine is ideally suited to pumped storage plants

  Kaplan.
 Pelton.
 Impeller.
 Francis.

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Power Systems
Surge impedance loading (SIL) is represented by

 Vl²/Zs
 both 1 and 2
 Vl²*√(C/L)
 Vph²/Zs

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Power Systems
Length of short transmission line is up to

 40 km
 80 km
 150 km
 any of the above

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Power Systems
A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current?

 200 A
 2500 A
 100 A
 250 A

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

 U.K.
  U.S.S.R.
  UAE.
  U.S.A.

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Power Systems
The overall efficiency of a steam power plant equal to

 regenerative cycle.
 binary vapor cycle.
  product of boiler efficiency, turbine efficiency and generator efficiency.
 the Rankine cycle.

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