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Plumbing Certification

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. In one cubic foot there are _________ cubic inches.
Strainer
Anchors
1728
Never

2. When a liquid changes immediately to a vapor it is called...
Flashing
Two Hole
Flat and horizontal positions
ALWAYS

3. A device that mechanically attaches to the side of a flange on a beam is called a...
The same OD as the branch
Bumping
Beam clamp
Pipe strain

4. The best method to ensure that a plastic joint is made properly - you should...
Insert pipe into fitting and turn 1/4 turn and hold
To provide movement cause from a change in temperature
Flat position only
BCuP - Stands for Brazed Copper Phosphorus

5. What size hole should be cut into a main to saddle ON a smaller pipe?
10 feet
The same ID as the branch
Arrange a wire rope clamp so that the dead end has the U bolts
Pressuretrol

6. A concentric reducer could be used to connect to a horizontal pump _______________ line.
.075lbs
840
Snubber
discharge

7. Where is a bourdon tube found?
In a pressure gauge
Continuously
true isometric
100% of the rated capacity

8. What is the purpose of the expansion joint in a steam system?
soft tempered
Ground Fault Circuit Interrupter
To provide movement cause from a change in temperature
Latent

9. What is the welding position 2 - on the electrode mean?
2 and 1
.135 cu ft
Snubber
Flat and horizontal positions

10. There are __________ cubic inches in a gallon.
.491lbs
231
840
1 5/16'(inch)

11. The face to center measurement of any welded angle fitting equals...
To protect the threads from rust.
Positive
tangent 1/2 angle x radius
8 5/8'(inch)

12. Where should the pressure enter a globe valve?
Alloying
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)
MAPP - acetylene - and propane
840

13. The amount of heat it takes to raise one pound of water one degree Fahrenheit is known as a...
BUT
Choked position
falls
Fuse

14. Which of the following has the largest inside diameter?
1 foot
Schedule 10
15 Feet
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.

15. Which rigging configuration has the greatest sling strength?
DWV
3 to 15 psi
Fuel - Heat - Oxygen
Basket

16. Steam supply using parallel flow is...
Raise the load
Schedule 10
steam and condensate flowing in the same direction
Ammonia

17. A Hartford loop is used for...
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
When a large volume of condensate is generated
Protection for loss of water in the boiler.
In a pressure gauge

18. The proper way to extinguish a fire is to...
Saturated
The type of coating and current
take-off must be subtracted from the end-to-center measurement.
Point at the base and sweep the base with the extinguisher

19. The last two digits on an E-6010 electrode specify
Set point
8.33 pounds
The type of coating and current
set point

20. A concentric reducer could be used to connect to a horizontal pump _______________ line.
231
The pump creates a differential in pressure that moves the water.
25' from any worker
Discharge

21. A fan coil uses ______ to distribute heating or cooling to the space.
Strainer
Forced convection - because the FAN forces convection!
With the weld at a 45 degree angle
To reduce the pressure from the cylinders to safe and workable pressures

22. Which of the following is NOT a reason for using cutting oil when threading pipe?
To protect the threads from rust.
8 5/8'(inch)
Insure progressively tighter fit
After cutting

23. Which way should the bevel face on an orifice plate?
Raise the load
Down Stream
Spiral Wound
Sch 40

24. To properly align a flange you must perform what is commonly called a ______ hole...
62.4lbs
Two Hole
true isometric
Remote bulb

25. The treatment of liquids at rest is known as...
1 5/16'(inch)
Remove any paint or rust.
10 feet
Hydrostatics

26. The main cause of undercutting is...
7.0
Too fast of a travel rate
Absolute
To allow for thermal movement

27. When a flux joint is overheated it will not...
Pressure Rating
The science of heat transfer using water.
Fuse
Down Stream

28. The color code for type '(inch)K'(inch) copper is?
The same ID as the branch
8 5/8'(inch)
7.48
Green

29. What is the minimum thickness for threading PVC pipe?
true isometric
Multiply the length of the hypotenuse of the roll and the set by 1.414
Sch 40
Vaporization

30. The smallest nominal size DWV copper tube is...

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31. An oil separator is required on systems using...
Pressure Rating
Ammonia
Segmental
Absolute

32. The anode rod used in a hot water heater to protect it from corrosion is made of...
Magnesium
Flux
Spiral
The pump creates a differential in pressure that moves the water.

33. What is the standard pressure range for a pneumatic signal?
3 to 15 psi
the employer
13/16'(inch)
Above the main

34. The best knot to use when lifting pipe vertically is the...
Red.. think M&M is RED
Clove hitch with a half hitch
Purge the line when brazing
Center of the pipe

35. Which of the following is NOT a reason to use stud bolts instead of machine bolts for bolting flanged piping joints?
Absolute
The stud bolt is stronger than a machine bolt of the same size and material.
7.0
3 1/2'(inch)

36. If you double pipe size the carrying capacity is increased...
100% of the rated capacity
Pneumatics
.0361
4 times

37. The change in state from a liquid to gas is known as...
Air Bound
Large volumes of condensate flash back to liquid in the tank so it removes trapped steam from the condensate.
Vaporization
1/2 BTU

38. When a soldered joint is overheated...
Sch 40
The flux burns and the joint becomes ineffective
1
4 1/2'(inch)

39. The device that controls the pressure in a low pressure steam boiler is called a...
Too fast of a travel rate
.075lbs
Pressuretrol
Snubber

40. 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.
Softens it
Clove hitch with a half hitch
Argon

41. For an extension ladder to be at the correct angle for safe use on a working surface 20ft high. The ladder must be located how many feet away from the base?
NEVER!
Water
5ft - the 4 to 1 rule - every 4 feet high the base must move 1 foot back.
5 9/16'(inch)

42. If a pump is operating under static suction lift conditions - a __________ may be installed in the suction line to avoid losing the pump's prime each time the pump shuts off.
foot valve
15 Feet
Softens it
None

43. How often should the atmosphere be tested in a confined space?
2nd gear divided by primary gear. Example: A machine has a primary pulley of 6'(inch) and a secondary pulley of 24'(inch). Formula is 24/6=4 - so the ratio is 4 to 1
Insufficient condensate drainage
Continuously
8 5/8'(inch)

44. A bushing is NOT a good replacement for a reducer because...
All position
Eccentric reducers - flat on top
Expansion = Constant per 100ft multiplied by (Final Temp- Starting Temp) Example: 380' steel pipe (.0305 constant) is heated from 62 degrees to 171 degrees - how much did the pipe expand? Formula: .0305 * 3.8 (171-62) = 3 5/16'(inch)
Its cheaper!

45. Which of the following is a key element of a comprehensive safety and health program?
handle will bend
.433psi
Pressure Rating
Hazard prevention and control.

46. What is capillary action?
The flow of a liquid into a small space
Insert pipe into fitting and turn 1/4 turn and hold
Pressure rating
discharge

47. What is the best valve for throttling?
5 9/16'(inch)
Blue... think b-LLLLue
Globe
foot valve

48. A diamond on an instrumentation loop diagram encloses information concerning...
25 feet
6 5/8'(inch)
Set point
Erratic readings

49. An ejector pump is typically used to pump __________.
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
Groove
sewage
Pressure rating

50. OD for 5'(inch)

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