Power Systems
For a 500 Hz frequency excitation, a 100 km long power line will be modelled as

 any of the above
 long transmission line
 medium transmission line
 shunt capacitor

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Power Systems
Advantages of shunt compensation is/are

 single unit can be used as both capacitance and inductor by adjusting the excitation
 It requires less maintanance
 smooth voltage regulation is possible by controlling excitation
All of these

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Power Systems
In hydroelectric power plants

 both operating and initial cost are high.
  operating cost is low and initial cost is high.
 both operating and initial cost are low.
 operating cost is high and initial cost is low.

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