Inspection Concepts And Techniques

Question 1

What is the proper type of nondestructive inspection to use for locating surface cracks in an aluminum casting or forging?

Answer 1

Fluorescent or visual dye penetrate

Question 2

What is the principle opinion which ultrasonic inspection is based?

Answer 2

Any fault within a material will change materials frequency, comparing the frequency of a known sound material with the material under test will indicate the presence of the fault

Question 3

What is the procedure when making a dye penetrant inspection of a part

Answer 3

Clean depart thoroughly, apply the penetrate, and allow it to soak for the recommended dwell time. Remove all of the penetrate from the surface and apply the developer.