AWS Blueprint Reading & Interpretation 2

Question 1

On a welding symbol, what does a flag symbol on the reference line indicate?

Accepted Answer

Field weld

Answer

A flag symbol on the reference line indicates a field weld, meaning the weld is to be performed at the installation site rather than in the shop.

Question 2

What does the letter 'N' in a welding symbol tail typically stand for?

Accepted Answer

Non-destructive testing required

Answer

The letter 'N' in the tail of a welding symbol indicates that non-destructive testing is required on that weld.

Question 3

In blueprint reading, what does a hidden line (dashed line) represent?

Accepted Answer

An edge or feature not visible from the current view

Answer

Hidden lines, drawn as dashed lines, represent edges or features that exist behind or beneath the visible surface in that view.

Question 4

What is the purpose of a revision block on an engineering drawing?

Accepted Answer

To record changes made to the drawing after initial release

Answer

The revision block documents changes made to the drawing after it was originally issued, including revision number, description, date, and approval.

Question 5

On a welding symbol, dimensions placed to the LEFT of the weld symbol indicate:

Accepted Answer

Weld size or depth of preparation

Answer

Dimensions to the left of the weld symbol indicate the size, depth of groove preparation, or throat size of the weld.

AWS Practice Test