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Power Systems

Power Systems
Peak load power plants is/are

 nuclear plants
 both 1 and 2
 diesel plant
 pumped storage plant

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Power Systems
One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is

 130.2 MWhr
 120 MWhr
 140 MWhr
 135.3 MWhr

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Power Systems
Offset mho relay is used for the protection of equipment when

 either 1 or 2
None of these
 failure of prime mover of the generator
 loss of excitation of the generator

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Power Systems
Which of the following statements is/are true? By increasing of temperature,

 sag increase
 both 1 and 2
 tension decrease
 neither 1 nor 2

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Power Systems
High capacity generators and motors are of

 star connected network
 any of the above
 delta connected network
 star connected with grounding network

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Power Systems
Ships are usually supplied power by

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

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