For welding plates of thickness less than 5 mm, its edges

A. Do not require bevelling

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

Answer: Option A

Solution(By Examveda Team)

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 5 mm upto 16 mm single-v joint will done with a root gap of 3 mm and root face height of 3 - 4 mm. Over 20 mm double-v or single-U is selected.