____ is the most commonly used solder in plumbing.

A. Tin-antimony
B. Cadmium-silver
C. Cadmium-zinc
D. Copper-zinc


Answer: A

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?A molecule of propane is made up of ____.

A. ?one propyl and one carbon atom B. ?one oxygen and one hydrogen atom C. ?two hydrogen and two carbon atoms D. ?eight hydrogen and three carbon atoms

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There are two general categories of fungicides—____________________ and ____________________

Fill in the blank(s) with correct word

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When a split AC system using a capillary tube is overcharged:

A) The compressor shell will get hot. B) The superheat will increase. C) The superheat will decrease. D) The compressor shell will get cold.

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ASE-Style Multiple Choice The strength of individual spot welds is determined by the ____ and edge distance (the distance of the spots from the panel edge).

A. tack weld pitch B. stitch weld pitch C. plug weld pitch D. spot weld pitch

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