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Power Systems

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

 both 1 and 2
 run off river
 pump storage
 nuclear

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Power Systems
Frequencies must be same in which of the following line to exchange the power from one place to other place ?

 Synchronous line
 Asynchronous line
 No need of same frequency for exchange of power
 both 1 and 2

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Power Systems
What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ?

 150 : 4 / √3.
  100 : 5 / √3.
 120 : 6 / √3.
  200 : 5 / √3.

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Power Systems
The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds?

 625.35 Ω
 0.844 Ω
 265.25 Ω
 855.26 Ω

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Power Systems
The charging current of a 400 kV line is more than that of a 220 kV line of the same length?

 False
None of these
 True
 either 1 or 2

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Power Systems
Which turbine is ideally suited to pumped storage plants

 Pelton.
 Francis.
 Impeller.
  Kaplan.

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