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Power Systems

Power Systems
One atomic mass unit is equivalent to

 120.4 MeV.
  931.4 MeV.
 180.5 MeV.
 251.2 MeV.

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Power Systems
Ships are usually supplied power by

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

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Power Systems
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

 none of these.
 10 sec.
  5 sec.
 20 sec.

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Power Systems
In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?

 1
 0.75
 0.25
 0.5

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Power Systems
The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is

 500 kW
 300 kW
 250 kW
 750 kW

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Power Systems
Reactance relays are used for the protection of

All of these
 long transmission lines only
 medium transmission lines only
 short transmission lines only

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