Identify And Select Appropriate Nondestructive Testing Methods

Question 1

What is the proper type of NDI is used for locating surface cracks in an aluminum alloy casting or forging?

Answer 1

Zyglo or penetrant.

Question 2

What NDI method would be most appropriate for checking a nonferrous metal part intergranular corrosion?

Answer 2

Eddy current inspection.

Question 3

What NDI method would be most appropriate for checking the internal structure of an airplane wing for corrosion?

Answer 3

X-ray inspection.

Question 4

How does filiform corrosion usually appear on an aircraft structure?

Answer 4

As thread-like lines of puffiness under a polyurethane or other dense finish system topcoats.

Question 5

What inspection method would be most appropriate for checking a steel landing gear component for stress cracks?

Answer 5

Magnetic particle inspection.

Question 6

What type of inspection is best suited for detecting a fault within a piece of nonferrous metal?

Answer 6

Ultrasonic inspection