Commercially fabricated reusable insulation covers usually overlap adjoining surfaces or insulation a minimum of _____.
a. 1" (2.5 cm)
b. 2" (5 cm)
c. 3" (7.5 cm)
d. 4" (10 cm)
b. 2" (5 cm)
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Materials typically used for cable jackets include neoprene, lead, and _____.
a. polychlorprene b. copper c. PVC d. rubber
Aero Serve, Inc. manufactures cleaning nozzles for reverse pulse jet dust collectors. The company spent $40,000 on a production control system that will increase profits by $11,096 per year for 5 years. The rate of return per year on the investment is closest to:
(a) 20% (b) 16% (c) 12% (d) Less than 11%
Several species of biting, chewing, and sucking lice affect
A. Guinea pigs and rabbits B. Mice and rats C. Gerbils and hamsters D. All of the above E. A and C above
Passive solar homes are _____ structures designed to make internal spaces comfortable.
A. energy-efficient B. minimally insulated C. high-embodied energy D. specific-design