To heat a metal with an open-top preheater, the object to be heated is mounted on a structure above which kind of burner?

A) Combination oil and compressed air B) Electric
C) Gas D) Combination gas and compressed air


C

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If the temperature of the liquid line entering a filter-drier is 87° and the outlet is 85° does the filter-drier have to be replaced?

a. Yes b. No c. It depends on the ambient temperature

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Sealants are used to fill in slight gaps in mating surfaces.

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

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Which agency has the strictest emission standards?

A) SAE B) EPA C) CARB D) None of these

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T-slots in a machine table:

A) Are used in conjunction with tee-nuts and clamp studs for workholding directly to the table B) Are parallel to the table slides C) Can be used to align workpieces D) All of the above

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