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Power Systems

Power Systems
Which of the following is low specific speed turbine?

None of these
 Kaplan
 Francis
 Pelton

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

 -1
 0
 1
None of these

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Power Systems
Ships are usually supplied power by

  Diesel engine.
 Steam accumulator.
 Hydraulic turbine.
 None of above.

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Power Systems
A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station?

 5 MW
 10 MW
 18 MW
 9 MW

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Power Systems
A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is

 40 Ω
 33 Ω
 52 Ω
 28 Ω

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Power Systems
Mho relay is usually employed for protection of

 short transmission lines only
 any line
 long transmission lines only
 medium transmission lines only

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