Page 169 - CITS - Fitter Trade Pactical - Volume - 2
P. 169
FITTER - CITS
MODULE 4
EXERCISE 49: Striking and maintaining arc, laying
straight - line bead
Objectives
At the end of this exercise you shall be able to
• set and operate an AC and DC arc welding plant
• set the welding current for the different sizes of electrodes
• strike and maintain the arc by scratching and tapping method
• deposit uniform straight weld beads and inspect for faults.
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CITS : C G & M - Fitter - Exercise 49