Lubricants are classified into several different categories which include: mineral, vegetable, and ________.

A. synthetic
B. animal
C. petroleum based
D. All answers are correct


Answer: D

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The impurities in the weld pool can be metallic or nonmetallic compounds.

Answer the following statement true (T) or false (F)

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Moving the torch too slow across the metal results in an incomplete cut and rough edges

Indicate whether the statement is true or false.

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Basic materials will typically account for approximately _____ percent of the project cost.

A. 20 B. 35 C. 50 D. 65

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What MA does the pulley arrangement have?

A. 4 B. 2 C. 3 D. 5

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