Arc strikes will always appear when an acid is ________ used. _______ or destruc

Question

Arc strikes will always appear when an acid is ________ used. _______ or destructive testing may be used in a random sample testing procedure in mass production. __________ has the capacity to etch rapidly and should be used on polished surfaces only. __________ testing is used to determine how well a weld can resist repeated fluctuating stresses or cyclic loading. In a(n) _______ test, two specimens are prepared and tested, one face bend and one root bend. With ________ testing all welds can be tested and the part can be used for its intended purpose. ___________ inclusions can resemble porosity, but, unlike porosity, they are generally not spherical. The difference between what is acceptable, fit for service, and perfection is known as __________.

Explanation / Answer

According to the chegg guidelines I am allowed to answer only 1 question at a time so I am answering question 1)

1) Arc strikes will always appear when an acid (==== ETCH TEST ====== ) is used.

Answer ) ETCH TEST ===================================ANSWER)

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