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Power Systems

Power Systems
More efficient plants are used as

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

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Power Systems
Which of the following buses is/are not PV buses?

 fixed shunt capacitor buses
 reactive power support buses
 voltage control buses
 both 1 and 2

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Power Systems
Pelton wheel turbine is a

  high head turbine.
  none of above.
  medium head turbine.
  low head turbine.

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Power Systems
By using guard ring in a transmission line, its string efficiency

 decrease
None of these
 increase
 remains unaffected

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Power Systems
Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ?

 X" < X' > X
 X" > X' >X
 X" < X' < X
 X" > X' < X

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Power Systems
The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is

 10.
  5.
 20.
 55.1.

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