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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