Plumbing Math 2

Which of these formulas correctly expresses the Pythagorean theorem?

• A² = B² + C²

• C² + A² = B

• C² = A² + B²

• B + A = C

Tags

CCSS.8.G.B.8

Any triangle that has sides with a 3-4-5 ratio is a right triangle and contains an angle of _____.

• 90 degrees

• 180 degrees

• 66.6 degrees

• 33.3 degrees

Tags

CCSS.8.G.B.8

If you have a right triangle with legs that measure 12 inches and 16 inches, the third leg will have a

length of _____.

• 20 inches

• 24 inches

• 2 inches

• 18 inches

Tags

CCSS.8.G.B.8

When elbows are used to bring one section of pipe out of line but into a line parallel with the other

section, the result is called a(n) _____.

• realignment

• offset

• displacement

• jog

With each side of the figure corresponding to a different component, a piping offset can be

represented as a(n) _____.

• rectangle

• parallelogram

• acute triangle

• right triangle

In piping terms, the longest side of a right triangle is referred to as the _____.

• spread

• travel

• rise

• run

Tags

CCSS.HSG.CO.A.1

In a rolling offset where the rise is 6 feet and the roll is 8 feet, the true offset will be _____.

• 10 feet

• 9 feet

• 16 feet

• 12 feet

Tags

CCSS.8.G.B.8

After they are offset, offsets for single and parallel runs of pipe _____.

• remain in the same plane

• are perpendicular to each other

• are in different planes

• are closer together

Tags

CCSS.7.G.A.3

To properly calculate the length of pipe needed to make an offset, what information must be obtained and subtracted from the travel?

• One-half the depth of each fitting

• The fitting allowance × 2

• The fitting allowance

• The center-to-center measurement

Tags

CCSS.7.G.A.1

In the figure above, to calculate distance A (the starting point for the offset), you should use which of these formulas?

• A = B + (C × constant)

• A = B² + C²

• A = B x C²

• A = C + (B × constant)

Tags

CCSS.8.G.B.8