Category: Writing

According to the information shown in Figure 8-3, how many
hours did the carpenters work?
Figure 8-3

1. If a 3 1/2-inch-thick beam is covered with 3/4- inch
plywood on one side and 5/8-inch drywall on the other side, what is the total
thickness of the assembly?
2. If 3/4 gallon of paint is taken from a 5-gallon pail in
the morning and 1 3/8 gallons are taken in the afternoon, how much paint
remains in the pail?

1. The density of a substance is its weight divided by its
volume. If 4.5 cubic feet of R-134a refrigerant weighs 378.23 pounds, what is
its density in pounds per cubic foot?
2. If it takes 6.5 hours to install 54.75 feet of
air-conditioning duct, how much time is used to install 1 foot?

In Figure 9-6, how many feet and inches is it from the left
end of the building to the centerline of the window?
Figure 9-6

1. If 500 feet of type NM cable costs $49.65, what is the
cost of 270 feet of this cable?
2. An oil burner used 6.68 gallons of oil in 4.25 hours. How
many gallons did it use per hour?
3. A box of 12 dimmer switches costs $38.64. What is the
cost of a single switch?

1. A furnace flue is made from four pieces of pipe. After
they are fitted together, each piece of flue pipe is 1 foot 10½ inches long.
What is the total length of the flue?
2. A wiring job requires 43 feet 3 inches of electrical
metallic tubing (EMT). If the EMT is available in 10-foot lengths, how many
pieces are needed, and how much is left over of the last piece?

1. How many pieces of 2.25-inch flooring will be required to
cover a closet floor that is 34.75 inches wide?
2. A certain size wire has a resistance of 3.65 ohms per
1,000 feet. What is the resistance of 10 feet of the wire?
3. The weight of a certain wire is 145 pounds per 1,000
feet. What is the cost of 600 feet of this wire at $1.40 per pound?

What is the width of the wall space without the door in
Figure 9-5?
Figure 9-5

In Figure 7-8, each of 23 courses of siding is equally
spaced. How much of each piece of siding is showing?
Figure 7-8

1. The inside diameter of a tube is 1 1/4 inches. The wall
of the tube is 0.15625 inch thick. What is the outside diameter in inches and
fractional parts of an inch?
2. A piece of PVC pipe 2 feet 3 inches long is cut from a
10-foot piece. How much pipe is left?