Solid contour lines are used on site plans to show _____.
a. natural grade
b. footing elevation
c. finish grade
d. finish floor elevation
c. finish grade
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A welder tacks 1,788 linear feet of steel support columns in 1 12-hour shift. How many feet does the welder tack in 1 hour?
What will be an ideal response?
The planned placement of plants indoors creates ____ and has positive psychological and even
physical benefits.
a. design c. conversation pieces b. mystery d. barriers
Air enters the duct of an air-conditioning system at 15 psia and 50°F at a volume flow rate of 450?ft3/min. The diameter of the duct is 10 in, and heat is transferred to the air in the duct from the surroundings at a rate of 2 Btu/s. Determine (a) the velocity of the air at the duct inlet and (b) the temperature of the air at the exit.
What will be an ideal response?
How do you determine when and where to place vents?
A. local code B. directions on the plans C. directions on the fixtures D. wherever you use the least piping