Power Systems
The specific speeds of Kaplan, Francis and Pelton turbines are in

 neither increasing nor decreasing order.
None of these
  the decreasing order.
 the increasing order.

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Power Systems
Advantages of shunt compensation is/are

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

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Power Systems
Gross head of an hydroelectric power station is

 the height of water level in the river where the storage is provided.
 the height of water level in the river where the tail race is provided.
 all of above.
  the difference of water level between the level in storage and tail race.

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