Allowable stresses are specified according to ____ of lumber and grade within each of the categories.
A. purpose
B. usage
C. divisions
D. species
Answer: D
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A commercial project requires the installation of 1,856 square feet of acoustical ceiling. Using a productivity rate of 0.013 labor hours per square foot and a productivity factor of 0.95, determine the number of labor hours required to install the ceiling.
What will be an ideal response?
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The NEC® section that governs electrical connections and splices is _____.
a. NEC Section 110.14 b. NEC Section 240.21 c. NEC Table 312.4 d. NEC Article 725
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The ozone depletion factor of R-12 is ____.
A. 0.8 B. 0.016 C. 0.05 D. 1.0
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The piping paths that share common points of connection are said to be piped ____.
a. in parallel b. in series c. equivalently d. co-operatively
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