Deck 17: Offsets and Ratios

Question 1

Which of the following is always measured in the same direction that the pipe is running or advancing?

A)offset
B)constant
C)run
D)travel

Answer 1

C

Question 2

Working from the preceding question, after you have multiplied 0.125 by the appropriate value, what would be the equivalent fraction of 12.125?

A)12½
B)12⅛
C)12⅜
D)12¼

Answer 2

B

Question 3

If you know the offset and the run, what mathematical formula can you use to determine the true offset?

A)Pythagorean theorem
B)a + b = b + c
C)distributive property
D)property of inverses

Answer 3

A

Question 4

You need to convert 12.125 to a fraction that you would find on a tape measure. Which value would you multiply with 0.125?

A)16
B)8
C)4
D)2

Question 5

If a pipe has to move in two directions at the same time, such as up a wall and across the floor, the movement is considered which of the following?

A)true offset
B)rolling offset
C)advance offset
D)basic offset

Question 6

A parallel angle is always _____ of the angle of the fitting used.

A)¼
B)⅛
C)⅓
D)½

Question 7

A low consumption water closet uses 1.0 gallons per flush. If it replaces an older model that uses 4.0 gallons per flush, how many gallons per month (30 days)are saved if the water closet is used 5 times per day?

A)400 gallons
B)450 gallons
C)500 gallons
D)600 gallons

Question 8

When two pipes are run parallel to each other, an offset must be made. For the two pipes to have a constant center-to-center distance, the offset elbow connecting the pipes must be shifted up by a specific amount, which is known as which of the following?

A)parallel offset
B)true offset
C)parallel angle
D)angle line

Question 9

In the basic equation for determining piping system sizes, which of the following changes?

A)run
B)offset
C)travel
D)constant

Question 10

Which of the following is the diagonal distance that has to be traveled in order to get the required offset?

A)travel
B)constant
C)offset
D)run