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Power Systems

Power Systems
In which of the following given faults, all the sequence currents are equal?

 LLL
 LLG
 LG
 LL

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Power Systems
Peak load power plants is/are

 both 1 and 2
 diesel plant
 nuclear plants
 pumped storage plant

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Power Systems
The per unit impedance Z(pu) is given by

 ZΩ* (kVA)b/(KV)²b
 ZΩ* (MVA)b/(KV)²b
 ZΩ* (MVA)b*100/(KV)²b
 ZΩ* (MVA)b/((KV)²b *100)

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Power Systems
Tidal power plant is a example of which of the following plant?

 base load plant
 either 1 or 2
None of these
 peak load plant

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Power Systems
Asynchronous tie line is a

 AC transmission line
 DC transmission line
None of these
 either 1 or 2

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Power Systems
For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station?

 Francis
 Pelton
 Kaplan
None of these

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