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Power Systems

Power Systems
Which of the following plants is/are base load plants

 run off river
 both 1 and 2
 pump storage
 nuclear

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Power Systems
A diesel power plant is generally used as a/an

 Peak loads.
 Any of above.
 Base load.
 Standby/emergency plant.

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Power Systems
If all the sequence voltages at the fault point in a power system are equal, then the fault point is a

 LLL
 LL
 LG
 LLG

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Power Systems
A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation?

 386 MW
 478 MW
 400 MW
 456 MW

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Power Systems
If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is

 10 MJ
 500 MJ
 50 MJ
 5 MJ

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Power Systems
The average thermal efficiency of a modern nuclear power plant is about

  30 %.
 80 %.
 60 %.
 40 %.

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