Discussion :: Workshop Technology
- For welding plates of thickness less than 5 mm, its edges
|
A.
Do not require bevelling |
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B.
Should be bevelled to a single-V or U-groove |
|
C.
Should have a double-V or U-groove on one side |
|
D.
Should have a double-V or U-groove on both sides |
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Answer : Option A
Explanation :
The purpose of providing a bevel or any other joint preparation is to make provision for good metal penetration into the joint.
A square butt weld will be done up to 5 mm thickness and over 5mm upto 16mm single v joint will done with a root gap of 3mm and root face height of 3–4mm. Over 20mm double v or single U is selected.
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