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Plumbing Certification

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. OD for 3'(inch)

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2. When ordering ACR copper specify the size by...
Allow moisture to escape
Schedule 10
Multiply the specific weight by the weight of 1 cubic foot of water which is 62.4lbs. Specific weight x 62.4 = 1 cu ft weight. Example: Specific weight = 4.8 - 4.8 * 62.4 = 299lbs per cu ft
OD

3. The best knot to use when lifting pipe vertically is the...
Clove hitch with a half hitch
BCuP - Stands for Brazed Copper Phosphorus
the type of coating and current
Too fast of a travel rate

4. Which one of the following alloys does not require flux when brazing copper to copper joints?
All the way to the shoulder
radius squared times PI
62.4lbs
BCuP - Stands for Brazed Copper Phosphorus

5. What is the standard pressure range for a pneumatic signal?
All position
West of the building
3 to 15 psi
Forced convection - because the FAN forces convection!

6. A single line drawing of a piping system represents the...
Center of the pipe
250 degrees
Green... think KKelly GREEN
14.7psia - always in PSI-A

7. Factors in considering the site selection for a new cooling tower.
With the weld at a 45 degree angle
A pry bar
Prevailing wind speed and direction - environmental concerns - zoning requirements
Positive

8. The centerline of piping in a horizontal plane on an isometric drawing is most generally drawn at __________ degrees from the horizontal.
30 Degrees
Ground Fault Circuit Interrupter
Quarter
3 1/2'(inch)

9. A valve on the suction side of the pump should be...
The temperature that the joints are made - the flux and temperatures of the system
Before the strainer and fully open.
15 Feet
None

10. OD for 2'(inch)

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11. What are the three types of steam traps?
Thermostatic - Thermodynamic and Mechanical
9
10 feet
Basket

12. Which of the following is NOT a reason for using cutting oil when threading pipe?
On low side of the system and expands liquid to low pressure gas.
Green... think KKelly GREEN
.135 cu ft
To protect the threads from rust.

13. When should you ream the end of a pipe?
Down Stream
Softener
.707
After cutting

14. What should be done to prepare a flange for the gasket installation?
Remove any paint or rust.
Water
.707 x Travel
Anchors

15. When lifting objects with sharp edges you should use a...
Softener
On high side of the system and turns gas to liquid.
Basket
Climbing the cross braces.

16. The specific weight of air and water is...
BUT
1
Pipe penetration
handle will bend

17. OD for 1'(inch)

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18. What type of expansion joint does NOT utilize mechanical movement?
Increase the pressure when the temperature increases
protect worker safety and health
Expansion loop.
Sensor

19. How far should a copper tube be inserted into a cup for a brazed joint?
All the way to the shoulder
25' from any worker
protect worker safety and health
1 5/16'(inch)

20. What does the crane signal with the index finger pointed forward in a swirling motion signal?
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
Raise the load
Ammonia
On high side of the system and turns gas to liquid.

21. The type of drawing that views a building by looking directly at the front - top and side is referred to as a/an ___________ drawing.
BUT
After cutting
1/2 BTU
orthographic

22. Capillary action is used in...
Primer
Waterlogged
Solder joints
All the way to the shoulder

23. What does the stamp Oxy-Med stand for on copper tubing?
The temperature that the joints are made - the flux and temperatures of the system
The tubing has been cleaned for oxygen service
Beam clamp
Air

24. To assemble a 4 bolt flange...
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
To reduce the pressure from the cylinders to safe and workable pressures
the employer
30 Degrees

25. What type of copper tubing joint requires use of a ferrule?
2 and 1
compression
lower hook
sewage

26. An up-feed steam heating system has the heating units...
Above the main
NEVER!
1 foot
Increase the pressure when the temperature increases

27. OSHA was enacted to...
Primer
protect worker safety and health
Water
25 feet

28. An ejector pump is typically used to pump __________.
Flux
212 degrees F
4 1/2'(inch)
sewage

29. Which component in a closed control loop is the primary element?
Absolute
Groove
Sensor
pi * radius squared

30. The maximum practical suction lift on positive displacement pumps is 22 feet and on centrifugal pumps it is __________ feet.
Pressure rating
On low side of the system and expands liquid to low pressure gas.
galvanized
15 Feet

31. Steam condensate lines should use...
Allow moisture to escape
Sch 80 Steel pipe
Hydrostatic
8.33 pounds

32. The leading cause of on-the-job deaths in the construction industry is _______________.
The flux is in the filler material
falls
Down Stream
840

33. A direct acting thermostat is used to...
Bight - running end and standing part
Increase the pressure when the temperature increases
62.4 pounds
Flux

34. Which is the correct formula for the area of a circle?
.7854 x D squared
In the direction of flow
4 times
Pneumatics

35. The weight of 1 cubic foot of water is...
4 to 20 milliamps
Softener
Remove any paint or rust.
62.4lbs

36. Which of the following is a key element of a comprehensive safety and health program?
Anchors
Pressure Rating
Hazard prevention and control.
Argon

37. Steam supply using parallel flow is...
Notify response team and allow them to rescue.
Allow moisture to escape
steam and condensate flowing in the same direction
The tubing has been cleaned for oxygen service

38. When arranging weld coupons for testing position 6G...
Immersion sensor
Axis of pipe should be on a 45 degree
Snubber
Insert pipe into fitting and turn 1/4 turn and hold

39. On a centrifugal pump what is rotated by the motor?
Down Stream
West of the building
The impeller
15 Feet

40. When leaning a ladder against an object - the ladder should be at an approximate angle of __________ degrees.
Argon
75 degrees - also 4 to 1
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
Backflow preventer

41. What is not a requirement to size the steam trap on a heating unit?
Primer
With the weld at a 45 degree angle
Condensate pump size
Large volumes of condensate flash back to liquid in the tank so it removes trapped steam from the condensate.

42. When a flux joint is overheated it will not...
Fusion
Forced convection - because the FAN forces convection!
.01745 - 3.1416 - and .7854
Fuse

43. Which of the following is sometimes used as a shielding gas in the GTAW process?
The system temperature - thermal and dynamic movement of the pipe and vibration.
Argon
soft tempered
7.0

44. To properly align a flange you must perform what is commonly called a ______ hole...
Saturated
Hazard prevention and control.
Two Hole
The same ID as the branch

45. The treatment of liquids in motion is known as...
Ground Fault Circuit Interrupter
Hydraulics
Hydrostatic
4 to 20 milliamps

46. A cooling tower must have a ________ or be open-site.
3 to 15 psi
Hazard prevention and control.
62.4
Backflow preventer

47. Exits from a trench 150' long and 4' deep must be located within how many feet of a worker in the trench?
180
25 feet
Its cheaper!
hydrometer

48. The proper way to extinguish a fire is to...
1 foot
Softens it
Point at the base and sweep the base with the extinguisher
Allow moisture to escape

49. A Hartford loop is used for...
The flux is in the filler material
take-off must be subtracted from the end-to-center measurement.
5 9/16'(inch)
Protection for loss of water in the boiler.

50. What is the formula to figure the area of a circle?
Hydrostatic
Arrange a wire rope clamp so that the dead end has the U bolts
radius squared times PI
Pressuretrol

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Plumbing Certification

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