____ for light frame construction are made of cast-in-place reinforced concrete.

A. Foundations
B. Plumb lines
C. Footings
D. Crawl spaces


Answer: C

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__________________ is the science that studies the harmful effects of chemicals on living tissue.

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

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All of the following statements are true EXCEPT:

A. nearly all engines are left-hand engines. B. when viewing the piston from the right-hand side, the piston pin will be offset to the left side of the piston. C. a left-hand engine is one that turns counterclockwise when viewing the engine from the flywheel side. D. when a left-hand engine has oil squirt holes on the connecting rods, the holes are to the right when the piston notches are facing forward.

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A thermostat terminal labeled W 2 controls _____

a. a heat pump's compressor b. a second stage of heat c. a heat pump's reversing valve d. the first stage of heat

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Explain the difference between the two uses of the "B" terminal in heat pump controls

What will be an ideal response?

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