Masonry fireplaces are constructed of brick or stone and the firebox is constructed with ____.
A. granite
B. concrete
C. fire brick
D. gypsum
Answer: C
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The air entering a walk-in refrigerator air cooled condenser is 90°. What should the condensing temperature be?
a. 90° b. 100° c. 110° d. 120°
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If a true value of 76.248 inches is measured as 75.857 inches, what is the absolute error?
What will be an ideal response?
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Which of the following materials is not considered a good material to be worn in cold environments due to the fact that it retains moisture.
A. Polypropylene B. Cotton C. Silk D. Wool
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Which of the following erosion protection materials is manufactured with a layer of material between two layers of netting?
a. rip-rap b. silt fence c. hydromulch d. erosion mats or erosion control blankets
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