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Power Systems

Power Systems
In which of the following given faults, all the sequence currents are equal?

 LLL
 LG
 LL
 LLG

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Power Systems
A loss less transmission line has a length of 600 km, find the phase shift of voltage signal?

 36°
 90°
 42°
 45°

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Power Systems
When a nuclear reaction is operating at constant power the multiplication factor is

 less than 1.
 may be any of the above.
  1.
 greater than 1.

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Power Systems
Surge impedance loading (SIL) is represented by

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

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Power Systems
Which of the following is an impulse turbine

  Pelton turbine.
  Kaplan turbine.
  Francis turbine.
  None of above.

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Power Systems
The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by

 A resistance of 100 ohm.
 A resistance of j300 ohm.
 A resistance of 100/3 ohm.
 A resistance of j100/3 ohm.

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