AWS Welder Testing & Quality Assurance

Question 1

What is the primary purpose of non-destructive testing (NDT) in welding?

Accepted Answer

Identify weld defects without causing damage

Answer

Increase welding speed

Answer

Reduce welding costs

Answer

Improve shielding gas efficiency

Question 2

Which welding defect occurs when there is incomplete fusion between the base metal and the weld?

Accepted Answer

Lack of fusion

Answer

Porosity

Answer

Undercut

Answer

Excessive spatter

Question 3

Which testing method uses sound waves to detect internal weld defects?

Accepted Answer

Ultrasonic testing (UT)

Answer

Radiographic testing (RT)

Answer

Magnetic particle testing (MT)

Answer

Visual inspection

Question 4

Which type of welding inspection is typically performed before, during, and after welding?

Accepted Answer

Visual inspection

Answer

Destructive testing

Answer

Hydrostatic testing

Answer

Hardness testing

Question 5

Which welding code is commonly used in structural steel welding to ensure quality standards?

Accepted Answer

AWS D1.1

Answer

ASME Section IX

Answer

API 1104

Answer

ISO 9001

Question 6

What is the purpose of radiographic testing (RT) in welding quality assurance?

Accepted Answer

Use X-rays to detect internal defects

Answer

Measure the hardness of the weld

Answer

Determine the weld’s surface finish

Answer

Check for proper shielding gas flow