Question

identify the root opening using these images

k
h
d
b
c

Explanation:

Identify the root opening parameter

Using the Root Opening and Welding Joint Geometry knowledge points

• The root opening is the separation between the members to be joined at the root of the joint.
• In the second diagram showing a groove weld preparation, the dimension \(K\) represents this gap width at the bottom of the joint.
• Therefore, the letter corresponding to the root opening is \(K\).

Answer:

• (A) K (Correct answer)
• (B) H
• (C) D
• (D) B
• (E) C