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- 1. Multiple-choice30 seconds1 pt
(Refer to Figure 1 when answering this question.) A pipe needs to come up in the wall marked *. How far is the center of the wall from column line "C"?

3 feet and 6 inches.

5 feet and 9 inches.

6 feet and 3 inches.

19 feet and 3 inches

- 2. Multiple-choice30 seconds1 pt
How far is it from the center of

the pipe located in the wall marked* to line D?

13 feet and 4 inches

13 feet and 6 inches.

35 feet and 9 inches.

40 feet and 9 inches.

- 3. Multiple-choice30 seconds1 pt
Using the formula below, what is the correct 45ยฐ offset when you have a rolling offset where the roll is 8 inches and the rise is 6 inches?

2 inches

6 inches.

10 inches

14 inches

- 4. Multiple-choice30 seconds1 pt
On the project blueprint there is a bank of four pipe runs with each pipe measuring three inches in diameter which measure 12 inches in length on the blueprint. The scale used on the blueprint is 4 inch equals 1 foot. How many feet of 3 inch pipe should be ordered to complete the runs?

48 feet.

96 feet.

144 feet.

192 feet.

- 5. Multiple-choice30 seconds1 pt
Convert 170 inches to feet and inches.

13 feet and 2 inches.

14 feet and 2 inches.

14 feet and 6 inches.

17 feet and 0 inches.

- 6. Multiple-choice30 seconds1 pt
The piping specifications required all wall penetrations to have a steel pipe sleeve. The steam piping size is 4 inches SCH 80 carbon steel with 11โ2 inch of fiberglass insulation. What diameter of SCH 40 carbon steel sleeve is the minimum that you can use?

5 inches.

6 inches.

8 inches

10 inches

- 7. Multiple-choice30 seconds1 pt
Calculate the number of hangers needed to support 275 feet of pipe if you need a hanger placed every 8 feet?

31 hangers

32 hangers

33 hangers

35 hangers.

- 8. Multiple-choice30 seconds1 pt
Assume a project blueprint is written with a scale of 4 inch = 1 foot. Using a ruler, you determine that 6% inches of pipe must be ordered (as measured on the blueprint's scale). How many actual feet of pipe must be ordered to complete the project?

19 feet.

24 feet.

27 feet.

32 feet

- 9. Multiple-choice30 seconds1 pt
What hanger size would be required for use with a 6 inch outside diameter pipe that is covered with 1 inch thick insulation?

6 inches.

6 1/2 inches

7 inches.

8 inches.

- 10. Multiple-choice30 seconds1 pt
A waste line is pitched at 1/8th inch per foot. It passes through two walls 72 feet apart. What is the difference in the elevation of the two sleeves?

4 1/2 inches

7 1/4 Inches.

9 inches.

18 inches.

- 11. Multiple-choice30 seconds1 pt
On a drawing that is written to 1/8 inch scale, the pipe from point A to point B is 62 inches. How long is the actual pipe?

26 feet.

48 feet

52 feet.

62 feet

- 12. Multiple-choice30 seconds1 pt
Assume that you need to purchase 1,000 feet of pipe for your assigned project. If pipe costs $1.25 per foot, what is the cost of purchasing 40% of the total pipe needed?

$450

$500

$750

$1250

- 13. Multiple-choice30 seconds1 pt
You need to know if two adjacent walls are square (at a right angle) to each other before coring a 6 inch hole at 15 feet off of the intersecting wall. You don't have a 2 foot framing square with you. How can you verify the walls are square?

A2+B2=C2.

The 3:4:5 method

Pythagorean Theorem

All of the above.

- 14. Multiple-choice30 seconds1 pt
You are rigging to hoist a load of pipe. Given the following information, what would be the total weight of the pipe?

Outside Diameter = 6 inches; Wall Thickness = 5/8 inches; Length = 4 feet

1.5 pounds.

15.0 pounds

37.5 pounds

150.0 pounds

- 15. Multiple-choice30 seconds1 pt
A blueprint is drawn to a 1/8th inch equals 1 foot scale. You measure 5 inches on your ruler for vertical pipe and 6 3/8th inches on your rule for horizontal pipe-not

taking off for fitting-how much pipe will you need?

11 feet and 3/8th inches.

81 feet and 3/8th inches.

88 feet and 0 inches.

91 feet and 0 inches

- 16. Multiple-choice30 seconds1 pt
The 45-degree offset is one of the most widely used formulas in layout. What is the formula for figuring this offset?

1.414 x (rise - run).

1.414 x (run - rise).

. 1.414 x run + rise

None of the above

- 17. Multiple-choice30 seconds1 pt
You and your crew of three journeymen started a job on Thursday and finished the job on the following Tuesday. No work was completed on Sunday. The first day you and your crew worked 10 hours. On all other days you and your crew worked 8 hours each day. Assume that all hours worked in excess of 8 hours are counted as overtime and that all overtime is counted as time-and-a-half. What is the total number of hours paid?

42 hours paid

47 hours paid

141 hours paid

188 hours paid.

- 18. Multiple-choice30 seconds1 pt
Assume you are working with a 40 foot run of pipe with 1/8th inches of pitch per foot. What is the overall amount of pitch over the course of the run?

5 inches.

6 1/2 inches

8 inches

10 inches

- 19. Multiple-choice30 seconds1 pt
If a straight run travels through 5 rooms and each room is 80 feet long, how many feet of pipe would be needed to span the distance?

200 feet

320 feet

400 feet.

800 feet.

- 20. Multiple-choice30 seconds1 pt
A blueprint is written with a scale of 4 inches equals 1 foot. A room scales out to 15 4 inches. How many feet would the room be?

41 feet

58 feet

60 feet

61 feet.

- 21. Multiple-choice30 seconds1 pt
What size sleeve is needed for a 6 inch schedule 10 pipe with 2 inches of insulation?

6 inches

8 inches

10 inches

12 inches.

- 22. Multiple-choice30 seconds1 pt
A pipe has a 9 foot above finished floor (AFF) center line elevation and a benchmark that is 2 feet above finished floor (AFF). What is center line of the pipe above bench

mark?

42 feet

7 feet.

11 feet

18 feet