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Power Systems QUESTIONS AND ANSWERS

Electrical Engineering : Power Systems QUESTIONS AND ANSWERS :: part3 : 6 to 10

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.The order of the sub-harmonic during SSR for 50 Hz nornal frequency is

25 Hz

16 2/3 Hz

10 HZ

none of the above

7.Corona losses are minimized when

conductors size is reduced

smooth conductor is reduced

sharp points are provided in the line hardware

current density in conductors is reduced

8.The non-uniform distribution of voltage across the units in a string of suspention type insulators is due to

unequal self-capacitance of the units

non-uniform distance of separation of the units from the tower body

the existence of stray capacitance between the metallic junctions of the units and the tower body

non-uniform distance between the cross-arm and the units

9.For a long uncompensatedline the limit to the line loading ill governed by

thermal limit

voltage drop

stability limit

corona loss

10.The time taken for a surge to travel a 600 km long overhead transmission line is

0.02s

0.002s

More Power Systems QUESTIONS AND ANSWERS available in next pages

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Electrical Engineering Questions And Answers :: Power Systems: part3

Power Systems QUESTIONS AND ANSWERS

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