CWI Code Book Application 2

Question 1

When AWS D1.1 requires a prequalified WPS, which condition would disqualify it from prequalified status?

Accepted Answer

Exceeding the maximum interpass temperature for the process

Answer

Using a listed base metal in Table 3.1

Answer

Using a prequalified joint design within dimensional limits

Answer

Employing a qualified welder for the specified process

Question 2

Under AWS D1.1, what is the minimum preheat temperature required for ASTM A514 steel with thickness over 2½ inches when using SMAW?

Accepted Answer

200°F (95°C)

Answer

50°F (10°C)

Answer

125°F (50°C)

Answer

225°F (107°C)

Question 3

In AWS D1.1, what does the term 'essential variable' mean in the context of a WPS?

Accepted Answer

A variable that, if changed, requires re-qualification of the WPS

Answer

A variable that must be recorded but can be freely changed

Answer

A supplemental variable applicable only to CVN testing

Answer

A variable listed in the welding procedure that is optional

Question 4

Per AWS D1.1, a CJP groove weld in a T-joint subjected to tension perpendicular to its axis is classified as which joint category for inspection purposes?

Accepted Answer

Category B

Answer

Category A

Answer

Category C

Answer

Category D

Question 5

When using AWS D1.1 Table 6.1 for visual inspection of groove welds, what is the maximum allowable undercut depth for a statically loaded member in tension?

Accepted Answer

1/16 inch (1.6 mm)

Answer

1/32 inch (0.8 mm)

Answer

3/32 inch (2.4 mm)

Answer

1/8 inch (3.2 mm)

Question 6

According to AWS D1.1, which of the following is NOT a required element of a Welding Procedure Specification (WPS)?

Accepted Answer

Welder qualification test results

Answer

Base metal specification and thickness range

Answer

Welding process and type

Answer

Joint design and base metal preparation

Question 7

Under AWS D1.1, a groove weld tested by a bend test fails if any single open discontinuity exceeds what maximum dimension?

Accepted Answer

1/8 inch (3.2 mm)

Answer

1/16 inch (1.6 mm)

Answer

3/16 inch (4.8 mm)

Answer

1/4 inch (6.4 mm)