Once the ferrule has been installed on a copper tube, it _____.

a. cannot be removed without cutting
b. can be removed with a ferrule wedge
c. can be removed with a slight squeeze with pliers
d. can be removed with an adapter for the flaring tool


a. cannot be removed without cutting

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An elevated material-staging platform is supported by two or more beams called _____.

a. counterweights b. shoring c. truss girders d. outriggers

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____________________ is air mixed with fluid.

Fill in the blank(s) with the appropriate word(s).

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The _____ requires two special power sources, two wire feeders, and a single torch that has two contact tips feeding wire out of each, but arranged in line out of a single welding torch.? ?  

Fill in the blank(s) with the appropriate word(s).

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Because of its stiffness, a folding rule is better than a cloth or steel tape for measuring _____

a. vertical distance b. horizontal distance c. inside dimensions d. circular diameters

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