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Power Systems

Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 d
 5d
 2d
 3d

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Power Systems
In triangular configuration, inductance and capacitance values are ------ and ------ respectively

 higher, higher
 higher, less
 less, higher
 less, less

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Power Systems
For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station?

None of these
 Kaplan
 Pelton
 Francis

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Power Systems
A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will

 remains unaffected
None of these
 decreases
 increases

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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.
 50.
 15.
 25.

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Power Systems
Skin effective is more in case of

 same in both cases
 power lines
 communication lines
None of these

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