____ 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).
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.
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
Explain the difference between the two uses of the "B" terminal in heat pump controls
What will be an ideal response?