The central symbol in the accompanying figure signifies a ____.
A. plastic pipe
B. footing diameter
C. vapor barrier
D. floor drain
Answer: D
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Pioneers in the development of early commercial synthetic plastics struggled with ____. ?
A. ?temperature control in making plastics B. ?finding raw material C. ?the purity of the chemicals in making plastics D. ?understanding chemical reactions
Refer to the figure above. The type of support that is eccentric on the inside radius of the elbow is a type _____ support.
a. of lateral
b. 1
c. 3
d. of weak
Which of the following statements is LEAST-Likely true?
A. Ethylene glycol coolant is mixed with purified water until its concentration is correct. B. When coolant strength has been allowed to become weak or additives are depleted, a coolant flush and change is recommended. C. Draining off a quart of coolant and adding straight coolant can weaken a slightly weak concentration. D. Coolant in too high a concentration can be further diluted with purified water.
A critical design consideration is that the shear wall sections stack (in)_____________.
A. Diagonally B. Horizontally C. vertically D. parallels