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Power Systems

Power Systems
Condition for maximum voltage regulation

 tanφ = X/R
 cosφ = R/X
 cosφ = X/R
 tanφ = R/X

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Power Systems
Pumped storage plant is a

 both 1 and 2
 base load plant
None of these
 peak load plant

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Power Systems
A generating station which has a high investment cost and low operating cost is usually operated as a

 Peak load station.
 Base load station.
 None of above.
 Minimum load station.

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Power Systems
Which of the following statements is/are true? Due to corona,

 power loss increases
 interference increases
All of these
 charging current increases

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Power Systems
In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines?

 2
 8
 4
 5

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Power Systems
Where do compounding done in thermal power plants

  Ash handling plant.
  Coal handling plant.
  Turbine.
  Generator.

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