The support for a roof-mounted PV panel? is triangular in shape with sides of 3 ft. 6 in., 2 ft. 8 in., and 2 ft. 1 in. in length. What is the length of material needed to make two of these supports?
Fill in the blank(s) with the appropriate word(s).
16 ft. 6 in.
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The agency established to conserve, protect, and enhance fish and wildlife habitats is _____
a. U.S. Forest Service b. U.S. Department of Agriculture c. Bureau of Land Management d. U.S. Fish and Wildlife Service
A small company plans to spend $10,000 in year 2 and $10,000 in year 5. At an interest rate of effective 10% per year, compounded semiannually, the equation that represents the equivalent annual worth in years 1 through 5 is:
(a) A = 10,000(P?F10%,2)(A?P,10%,5) + 10,000(A?F,10%,5) (b) A = 10,000(A?P,10%,4) + 10,000 (A?F,10%,5) (c) A = 10,000(P?F,5%,2)(A?P,5%,10) + 10,000 (A?F,5%,10) (d) A = [10,000(F?P,10%,5) + 10,000] (A?F,10%,5)
What type of hardware is used to prevent gears and pulleys from spinning on a shaft?
a. A key b. A cotter pin c. A retainer ring d. Blind rivet
Flammable detection equipment must sound an alarm before the concentration reaches the _____
a. PEL b. LEL c. UFL d. ULL