QUESTIONS AND CORRECT ANSWERS
What does NDE stand for - CORRECT ANSWER Non-Destructive Evaluation
What is NDE - CORRECT ANSWER Identifies the condition of a component without
modifying it
Why is NDE used - CORRECT ANSWER Detects manufacturing flaws that could cause
immediate or immature failure
What does successful NDE depend on - CORRECT ANSWER technique selection, calibration,
surface preparation, flaw shape, orientation, human factors
When are NDE methods less effective - CORRECT ANSWER In the field
What curve do structural components exhibit - CORRECT ANSWER Bathtub
What are machining flaws examples - CORRECT ANSWER Gouges, tears, rough surface
burrs, scratches, improper tool usage
What are material flaws examples - CORRECT ANSWER Porosity, inclusions, forging/casting
defects, incomplete welds. residual stresses
What are surface condition examples - CORRECT ANSWER rough handling, permanent
deformations, cracking from force fits, missing/damaged subcomponents
What are the three causes of service damage - CORRECT ANSWER wear and tear, improper
maintenance, abuse
What are the effects of wear and tear - CORRECT ANSWER corrosion, creep, fatigue