Exam 25: Testing and Inspection

In a(n) ____________________ test, two specimens are prepared and tested, one face bend and one root bend.

Which of the following is true of penetrant inspection?

In a free-bend test, each corner lengthwise should be rounded in a radius not exceeding ____ the thickness of the specimen.

____________________ testing is used to determine how well a weld can resist repeated fluctuating stresses or cyclic loading.

____ result(s) when gas that was dissolved in the molten weld pool forms bubbles that are trapped as the metal cools to become solid.

When using hydrochloric acid in an etch test, the welds are immersed in the reagent ____.

Tensile strength is determined by ____.

A ____ is an interruption in the typical structure of the weld, whereas a ____ is a flaw which renders the part unable to meet minimum acceptance standards.

____ is a groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal.

What is the most frequently used nondestructive test?

Explain the causes for lamellar tears and how they can be prevented.

____________________ has the capacity to etch rapidly and should be used on polished surfaces only.

____________________ or destructive testing may be used in a random sample testing procedure in mass production.

Which test is done on specimens that are at a specific temperature?

Transverse shearing strength is obtained by ____.

Arc strikes will always appear when an acid ____________________ is used.

What type of discontinuity can be expected if prior welds were improperly cleaned?

The acceptance criteria for all inspections are based on______________.

____________________ inclusions can resemble porosity, but, unlike porosity, they are generally not spherical.

What causes crater cracks and how can they be prevented?