Question 3
a) Define cold cracking, explain briefly the mechanism of cracking, crack
appearance and how to avoid its occurrence.
b) what is Incomplete root fusion, give causes of this defect and best
practice to prevent it
c) Indicate by drawing (on cross section of butt welded joint) the location
of the following defects
i.
Undercut
ii.
Lack of sidewall fusion
iii.
Incomplete penetration
Question 3 A Define Cold Cracking Explain Briefly The Mechanism Of Cracking Crack Appearance And How To Avoid Its Occ 1 (20.23 KiB) Viewed 32 times
Question 3 a) Define cold cracking, explain briefly the mechanism of cracking, crack appearance and how to avoid its occurrence. b) what is Incomplete root fusion, give causes of this defect and best practice to prevent it c) Indicate by drawing on cross section of butt welded joint) the location of the following defects i. Undercut ii. Lack of sidewall fusion iii. Incomplete penetration
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