Deck 25: Length Measure

Question 1

A piece of polyvinylchloride (PVC) drain pipe is used in an air-conditioning unit. The pipe is 201 centimeters long. It is cut from a pipe that is 4 meters in length. How much pipe is left in meters?

Answer 1

1.99 m

Question 2

A flue from an oil furnace to the chimney is made from 7 pieces of pipe. After being fitted together, each piece of pipe is 1 foot 9 1/2 inches long. What is the total length of the flue?

Answer 2

12 feet 6 1/2 inches

Question 3

Pieces of copper tubing are used to install a hot water heating system. How many pieces, each 2 feet 4 inches long, can be cut from a 30-foot length of tubing?

Answer 3

12 pieces

Question 4

The length of a building is 40 feet 9 inches and the width is 32 feet 6 inches. What is the perimeter of the building in feet?

Question 5

Support straps for a duct are each 1 foot 4 inches long. How many support straps can be cut from a 42-foot piece of metal?

Question 6

Add 8 feet 10 inches, 7 feet 11 inches, and 6 feet 9 inches and express as feet and inches.

Question 7

The circumference of a circle is equal to 2 p r.

Question 8

The perimeter of a rectangle is equal to the length plus the width.

Question 9

The control wire from a thermostat to an oil burner control switch runs the following distances: 2 1/2 inches, 5 feet, 4 feet, 6 feet 2 1/2 inches, 8 feet, 6 1/2 inches, and 8 inches. Find the total length of the control wire.

Question 10

Tape is used to seal insulation around 12 pieces of ducting. Each piece of duct needs two strips of tape. The first strip of tape measures 1.87 meters. The second strip measures 64 centimeters. The strips are cut from a 60-meter-long roll of tape. How much tape will be left after the 12 pieces of ducting are sealed?