How many board feet are there in forty 2" × 4" × 12' studs?
a. 320
b. 384
c. 640
d. 3,840
Answer: A
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Single-line drawings are generally used to show pipe layouts for nominal pipe sizes of less than ____ inches.
A. 8 B. 10 C. 12 D. 14
Elias wants to perform an after-tax evaluation of equivalent methods to electrostatically remove airborne particulate matter from clean rooms used to package liquid pharmaceutical products. Two alternatives are available, but others may be identified if these are not acceptable. Using the information shown, MACRS depreciation with n = 3 years, a 5-year study period, after-tax MARR = 7% per year, Te = 34%, and a spreadsheet, he obtained the results AWG = $ ? 2176 and AWH = $3545. Any tax effects when the equipment is salvaged were neglected. Thus, with MACRS depreciation, method H is the better method. Use classical SL depreciation with n = 5 years to evaluate the same alternatives. Is the decision different from that reached using MACRS?
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All of the following statements regarding NiMH batteries are true EXCEPT __________
A) NiMH cells produce 3.6 volts B) NiMH batteries have excellent cycle life C) NiMH batteries can be housed in a steel container D) NiMH batteries use potassium hydroxide for electrolyte
Smoke alarms must be located within 12'' (305 mm) of the ceiling or mounted on the ceiling.
Answer the following statement true (T) or false (F)