Question

question 28
16 pts
choose the correct four types of pipe weld layers.
○ root pass, hot pass, fill pass, cap pass
○ root pass, first fill, second fill, cover pass
○ full pen pass, hot pass, fill pass, last pass
question 29
4 pts
what does the r represent for the following designation
6gr
○ restrictor plate
○ rolled

Explanation:

Question 28

In pipe welding, the standard four types of weld layers are Root pass (forms the initial weld at the root), Hot Pass (follows root pass to improve fusion), Fill pass (fills the joint), and Cap Pass (finishes the weld with a cap). The other options have non - standard or incorrect layer names.

In the welding designation 6GR, the 'R' stands for Restrictor Plate. This is a standard notation in welding where 'R' is used to denote the presence of a restrictor plate in the 6G (pipe at 45 - degree fixed) welding position setup.

Answer:

A. Root pass, Hot Pass, Fill pass, Cap Pass

Question 29