Test Your Knowledge
Write your answers on a separate sheet of paper.
Do not write in this book.
1. On a standard 6′ folding rule, the dimen-
sions are labeled in inches beginning with 1
and ending at 72. Give the equivalent inch
dimensions for:
A. 1′
B. 2′
C. 3′
D. 4′
E. 5′
F. 6′
2. Convert the following dimensions given in
feet and inches to their equivalent in inches:
A. 2′-3″
B. 1′-6″
C. 4′-6″
D. 6′-3″
E. 12′-2″
F. 3′-9″
3. Convert the following dimensions given in
inches to their equivalent in feet and inches:
A. 17″
B. 43″
C. 541¼2″
D. 923¼8″
E. 351¼2″
F. 23″
4. Add the following pairs of numbers:
A. 181¼2 + 11¼2
B. 61¼4 + 11¼2
C. 101¼2 + 11¼4
D. 183¼4 + 11¼2
E. 121¼8 + 3¼4
5. Subtract the following pairs of numbers:
A. 101¼2 – 11¼2
B. 83¼4 – 11¼2
C. 123¼8 – 3¼4
D. 161¼8 – 11¼2
E. 91¼4 – 13¼16
6. Given the dimensions shown in the
drawing at the top of the next column, use
the Pythagorean theorem to calculate the
travel of the diagonal pipe required to join
the two horizontal pipes. Show all your
work in a neat, orderly fashion and indicate
the unit(s) of measurement.
7. Given the dimensions shown in the drawing
below, use the sine function to calculate the
travel of the diagonal pipe required to join
the two horizontal pipes. Show all your
work in a neat, orderly fashion and indicate
the units of measurement.
8. Given the dimensions shown in the drawing
below, use the constant for 45° to calculate
the travel of the diagonal pipe required to
join the two horizontal pipes. Show all your
work in a neat, orderly fashion and indicate
the units of measurement.
9. Compute the volume of a rectangular tank
that measures 8′ long by 4′ wide by 10′ tall.
10. How many gallons of water will the above
tank hold if it is filled to a depth of 6′?
11. What is the capacity, in gallons, of a cylin-
drical tank that is 8′ in diameter at the base
and stands 20′ tall?
12. If the sewer line shown in Figure 4-25 is laid
using 10-foot lengths of pipe, what is the
total slope per length of pipe?
13. Is a meter longer or shorter than a yard?
14. Is a cubic inch larger or smaller than a cubic
centimeter?
15. Is a quart smaller or larger than a liter?
16. A meter is _____ times larger than a
centimeter.
100
Section 1 Introduction to Plumbing
16″
16″
24″
24″
8″
8″