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Power Systems

Power Systems
Based on the discharge, Kaplan turbine will discharge

 >10000 lpm
 1000 lpm

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Power Systems
Inductance of transmission line will decrease when

 both GMD and GMR decrease
 both GMD and GMR increase
 GMD increase and GMR decrease
 GMD decrease and GMR increase

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Power Systems
What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ?

  100 : 5 / √3.
 120 : 6 / √3.
  200 : 5 / √3.
 150 : 4 / √3.

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Power Systems
The charging current of a 400 kV line is more than that of a 220 kV line of the same length?

 either 1 or 2
 False
 True
None of these

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Power Systems
Asynchronous tie line is a

 DC transmission line
 either 1 or 2
None of these
 AC transmission line

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Power Systems
In a 3-phase, 5 kV, 5 MVA system, what is the base impedance?

 0.5 ohm
 500 ohms
 5 ohms
 50 ohms

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