Choose the correct answer and show your solution. *Kindly provide a COMPLETE and CLEAR solution* (Answer should be typewritten) *Please answer it ASAP if you can 19. In electric welding, arc blow can be avoided bya. increasing arc lengthusing bare electrodesb.C.using ac welding machinesd. welding away from earth ground connection20. The space charge in vacuum tubesa.b.C.d.is negatively chargedhas repelling effect on electronslimits the flow of plate currentall of these

19. In electric welding, arc blow can be avoided by a. increasing arc length b. using bare electrodes C. using ac welding machines d. welding away from earth ground connection 20. The space charge in vacuum tubes a. b. C. d. is negatively charged has repelling effect on electrons limits the flow of plate current all of these

19. In electric welding, arc blow can be avoided by a. increasing arc length b. using bare electrodes C. using ac welding machines d. welding away from earth ground connection 20. The space charge in vacuum tubes a. b. C. d. is negatively charged has repelling effect on electrons limits the flow of plate current all of these

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.21MCQ

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