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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
A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line?

 (1 + j2 ) pu
 (4 + j8 ) pu
 (2 + j4 ) pu
 (0.5 + j1 ) pu

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Power Systems
Critical mass of the fuel is the amount required to make the multiplication factor

 0.5.
  equal to factor.
 less than 1.
 more than 1.

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Power Systems
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

 10.
 25.
 50.
 15.

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Power Systems
By using guard ring in a transmission line, its string efficiency

 remains unaffected
 increase
 decrease
None of these

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Power Systems
If the penalty factor of a plant is unity, its incremental transmission loss is

 -1
 0
None of these
 1

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