In arc welding, the three elements to be controlled to obtain satisfac – McqOptions

MCQOPTIONS

1.	In arc welding, the three elements to be controlled to obtain satisfactory welding operation are
A.	Current, voltage and speed of travel
B.	Current, voltage and arc length
C.	Current, arc length and speedoftravel
D.	Voltage, arc length and speed oftravel
Answer» B. Current, voltage and arc length

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