Terms (4)

Question 1

Discontinuities

Answer 1

Breaks or irregularities in the normal structure

Question 2

Defects

Answer 2

Affect the intended service of the part

Question 3

Criteria that differentiate discontinuities from defects are:

Answer 3

• Nature of Defect (cracks vs porosity)
• Size
• Location
• How many in a specific area
• Consequence of failure

Question 4

Acceptable/Reject-able

Answer 4

• Size (may not exceed __ or cannot be greater than __ of the material thickness)
• Distribution: single can be a stress riser
• Shape
• Location
• Evidence of abnormal service: not used as designed
• Evidence of long service: wearing out
• Lack of documentation: Provide details on when and what the specs were when made, what is aloud/beyond repair
• Reporting and disposition - Required for a report to be valid, what to do after inspection (fix it, remove it, out of service etc.)

Question 5

Work Scope

Answer 5

What we inspect and how it is inspected