Deck 35: Stretchouts of Circular Ducts

Question 1

A circular duct with a 1.3 centimeter lap seam is to measure 26.5 centimeters in diameter and 88 centimeters long. Find to the nearer hundredth centimeter the length of the stretchout.

Answer 1

84.55 cm

Question 2

Find the length to the nearer tenth centimeter of the stretchout for a 2.7-meter long circular duct 9.75 centimeters in radius with a 1.2-centimeter lap seam and a 2.6-centimeter overlap.

Answer 2

62.5 cm

Question 3

Unlike the rectangular ducts, with circular ducts there is only one type of commonly used seam and that is the round seam.

Answer 3

False

Question 4

A circular duct with a 1.3 centimeter lap seam is to measure 26.5 centimeters in diameter and 88 centimeters long. Find to the width of the stretchout in centimeters.

Question 5

Find the width in centimeter of the stretchout for a 2.7-meter long circular duct 9.75 centimeters in radius with a 1.2-centimeter lap seam and a 2.6-centimeter overlap.

Question 6

Since most circular ducts are sized giving the diameter, the circumference of the circle can be found by multiplying the diameter times p .

Question 7

A duct with a grooved seam measures 7 3/4 inches in diameter and is 33 inches long. It has a seam width of 3/4 inch. Find to the nearer 16th inch the length of the stretchout.

Question 8

A circular duct is 30 inches long with a butt seam. The diameter of the duct is 8 3/4 inches. What is the width of the stretchout in inches?

Question 9

A circular duct is 30 inches long with a butt seam. The diameter of the duct is 8 3/4 inches. What is the length of the stretchout? Round the answer to the nearer 16th inch.

Question 10

A duct with a grooved seam measures 7 3/4 inches in diameter and is 33 inches long. It has a seam width of 3/4 inch. Find the width of the stretchout in inches.