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Remote examination of welds may use aids such as telescopes, borescopes, fiberscopes, cameras, or other suitable instruments provided they have:

A.

Good perception and the inspection would be approximately equal to a direct visual exam.

B.

Sensitivity to find possible defects that a direct visual exam would produce.

C.

A resolution at least equivalent to that which is attained by direct visual examination.

D.

A greater acuity than the eye and the inspection would be better than a direct visual.

Which of the following is used to determine the soundness and ductility of a groove weld?

A.

Ductility test

B.

Guided bend test

C.

Notch toughness test

D.

Tension test

What increases when a welder increases the amperage?

A.

Voltage

B.

Arc length

C.

Heat

D.

Travel speed