Section 3.11.5.3 of the International Building Code® specifies that risers cannot be more than 7 3/4 inches high and treads must be at least ____ inches deep.
A. 7
B. 8
C. 9
D. 10
Answer: D
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A geothermal heat exchange? bed of 175.5 sq. ft. is enlarged by 
. The bed's size is:
A. ?35.1 sq. ft. B. ?210.6 sq. ft. C. ?877.5 sq. ft. D. ?1,053 sq. ft.
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Carbon brushes that ride on the slip rings provide electricity to the field coil.
Answer the following statement true (T) or false (F)
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What is the slope of a gutter and downspout combination for a gutter section 20' in length?
A) 0.625" or 5/8" B) 0.5" or 1/2" C) 0.75" or 3/4" D) 0.375" or 3/8"
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Many green homes have HVAC ducts located within specially designed roof trusses, referred to as __________ trusses, or __________ floor trusses in two-story homes.
What will be an ideal response?
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