Certified Welder Welding Code Standards & Inspection 2

Question 1

Under AWS D1.1, what is the minimum preheat temperature for ASTM A514 steel with thickness over 2.5 inches?

Accepted Answer

225°F (107°C)

Answer

200°F (93°C)

Answer

300°F (149°C)

Answer

125°F (52°C)

Question 2

Which AWS D1.1 provision governs the repair of unacceptable welds?

Accepted Answer

Clause 5

Answer

Clause 6

Answer

Clause 8

Answer

Clause 3

Question 3

What does a 'V' groove weld symbol with a number below the reference line indicate?

Accepted Answer

Groove depth or weld size

Answer

Root opening dimension

Answer

Weld length

Answer

Number of weld passes

Question 4

According to AWS D1.1, who has the authority to approve welding procedures used on structural steel?

Accepted Answer

The engineer of record or designated inspector

Answer

The welder performing the work

Answer

The welding equipment manufacturer

Answer

The material supplier

Question 5

What is the purpose of the Charpy V-notch (CVN) test in weld qualification?

Accepted Answer

Evaluate notch toughness (impact resistance)

Answer

Measure tensile strength

Answer

Determine hardness

Answer

Test for porosity

Question 6

Under ASME Section IX, a welder who fails a qualification test may retest after:

Accepted Answer

Documented additional training or practice, then one retest is allowed

Answer

Completing additional training and waiting 30 days

Answer

Immediate retesting without restriction

Answer

Supervisor approval only

Question 7

Which destructive test method is used to evaluate the root and face bend quality of a groove weld coupon?

Accepted Answer

Guided bend test

Answer

Nick-break test

Answer

Macro-etch test

Answer

Tensile test