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Power Systems

Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 7
 1
 29
 19

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Power Systems
The insulation of the modern EHV lines is designed based on

  the switch voltage.
 the lighting voltage.
 corona.
 R × I.

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Power Systems
Making current is a------------ value?

 average
 RMS
 peak value
 any of the above

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Power Systems
An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred?

 2.67 pu
 6 pu
 2 pu
 5 pu

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Power Systems
Which of following materials can be used as coolant

 Helium.
 CO2.
 Heavy water.
  Any of above.

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Power Systems
Phase shift occurs due to which of the following components?

 capacitance
 both 1 and 2
 conductance
 inductance

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