For measuring glue line thickness between aluminium sheets, what should the thickness of the sheet be?
(a) 1.2 mm
(b) 1.4 mm
(c) 1.6 mm
(d) 1.8 mm
I have been asked this question in an international level competition.
My question is based upon Eddy Current Test in portion Non Destructive Techniques of Casting-Forming-Welding II