Chapter 08 - Non Destructive Test | Applications of NDT

Question 1

Applications of NDT; Quality control

Answer 1

– Inspection of Raw Products

– Inspection Following Secondary Processing

Question 2

Applications of NDT; Maintenance

Answer 2

– In-Service Damage Inspection

Question 3

Applications of NDT: Inspection of Raw Products

Answer 3

• Forgings
• Castings
• Extrusions

Question 4

Applications of NDT: Inspection Following Secondary Processing

Answer 4

• Machining
• Welding
• Grinding
• Heat treating
• Plating

Question 5

Applications of NDT: Inspection For In-Service Damage

Answer 5

• Cracking
• Corrosion
• Erosion/Wear
• Heat Damage

Question 6

Examples of NDT Applications

Answer 6

• Power Plant Inspection
• Wire Rope Inspection
• Storage Tank Inspection
• Aircraft Inspection
• Jet Engine Inspection
• Pressure Vessel Inspection
• Rail Inspection
• Bridge Inspection
• Pipeline Inspection
• Special Measurements

Question 7

Examples of NDT Applications: Wire Rope Inspection

Answer 7

Electromagnetic devices and visual inspections are used to
find broken wires and other damage to the wire rope that is
used in chairlifts, cranes and other lifting devices.

Question 8

Examples of NDT Applications: Storage Tank Inspection

Answer 8

Robotic crawlers use ultrasound to inspect the
walls of large above ground tanks for signs of
thinning due to corrosion.

Cameras on long articulating arms are used
to inspect underground storage tanks for
damage.

Question 9

Examples of NDT Applications: Aircraft Inspection

Answer 9

NDT is also used to find cracks and corrosion

damage during operation of the aircraft.