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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. Which of the following is the decimal equivalent of 5/8'(inch)
.625
Basket
30 Degrees
orthographic

2. Factors in considering the site selection for a new cooling tower.
250 degrees
.491lbs
25' from any worker
Prevailing wind speed and direction - environmental concerns - zoning requirements

3. A diamond on an instrumentation loop diagram encloses information concerning...
Divide the diameter by half 4 times - put the 2nd and 4th number together to get the answer. Example - 6'(inch) 45 would be - 6 - 3 - 1 1/2 and 3/4. Answer 3 3/4'(inch)
All position
After cutting
Set point

4. What is the welding position 3 - on the electrode mean?
Flat position only
OD
Latent
Softens it

5. What does the crane signal with the index finger pointed forward in a swirling motion signal?
Raise the load
Snubber
near the middle of the jaws
On high side of the system and turns gas to liquid.

6. What type of expansion joint utilizes mechanical movement?
Snubber
Neutral
Air Bound
Ball joint - Bellows Joint and Packed Joint

7. The color code for ACR copper is...
handle will bend
The flux is in the filler material
1 5/16'(inch)
Crimson... think aCRimson

8. In the cooling cycle - which component throttles the flow of refrigerant?
8.33lbs
Vaporization
The flux is in the filler material
Expansion Device

9. A simple example of a lever is...
5 9/16'(inch)
212 degrees F
A pry bar
To provide movement cause from a change in temperature

10. A concentric reducer could be used to connect to a horizontal pump _______________ line.
15 Feet
Neutral
Discharge
Loosen the far bolts first

11. An increase in pressure will cause the boiling point of water to ________...
Ammonia
The tensile strength of the rod in PSI times 1 -000
.625
Increase

12. To determine the face to center measurement of a long radius 90 degree elbow - multiply the pipe size by...
To provide movement cause from a change in temperature
Discharge
ALWAYS
1.5

13. The letters MSDS stand for...
Material Safety Data Sheet
dry expansion
Manometer
1 foot

14. What causes water to move in a Hydronic system?
The pump creates a differential in pressure that moves the water.
Valve
A pry bar
10 feet

15. To view the west elevation the viewer's perspective is from the...
Manometer
West of the building
Flat position only
3 1/2'(inch)

16. What should the outside attendant do to rescue a worker who shows physiological effects of exposure in a confined space?
Notify response team and allow them to rescue.
BUT
25 feet
.075lbs

17. The density of 1 cubic inch of Mercury is...
4 1/2'(inch)
.491lbs
Ground Fault Circuit Interrupter
Raise the load

18. In a piping installation allowing for expansion in two directions - how should the anchor(s) and guide(s) be positioned relative to each other?
Guide - Anchor - Guide
To chemically prepare the pieces for soldering
The type of coating and current
4 1/2'(inch)

19. A single line drawing of a piping system represents the...
the employer
Strainer
MAPP - acetylene - and propane
Center of the pipe

20. Which type of orifice plate is designed to measure flow of liquids containing solids?
Segmental
None
set point
Hydraulics

21. What is the best gasket to use on a flanged joint on medium pressure steam?
Material Safety Data Sheet
Clove hitch with a half hitch
Remove the packing
Spiral Wound

22. In one cubic foot there are _________ cubic inches.
1728
Insure progressively tighter fit
.491lbs
Remove any paint or rust.

23. The last two digits on an E-6010 electrode specify...
Point thumb up
the type of coating and current
Spiral Wound
the employer

24. A valve on the suction side of the pump should be...
ALWAYS
Before the strainer and fully open.
2.31ft
OD

25. OD for 1/2'(inch)

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26. What does the G stand for in the 2G - 5G and 6G weld positions?
Fuel - Heat - Oxygen
Groove
.0361
7.0

27. A system which the refrigerant is in the shell and cools the fluid in the tubes is...
62.4 pounds
.491lbs
Absolute
Flooded

28. Which rigging configuration has the greatest sling strength?
To allow for thermal movement
The type of coating and current
Basket
1728

29. A guard rail system must withstand a minimum force of __________ pounds.
Yellow.. think Dee Double U is yelloWWW
200 lbs
DWV
The science of heat transfer using water.

30. To determine the set on a 45 degree offset you would multiply the travel by...
.707
Bight - running end and standing part
10 feet
Eccentric reducers - flat on top

31. The proper way to extinguish a fire is to...
Insure progressively tighter fit
Point at the base and sweep the base with the extinguisher
Provide oxygen barrier - stabilize and direct the force of the arc and to gather impurities in the form of slag.
To provide movement cause from a change in temperature

32. What does the term '(inch)never saddle a dead horse'(inch) mean?
Pipe strain
25 feet
Water
Arrange a wire rope clamp so that the dead end has the U bolts

33. What is the standard pressure range for a pneumatic signal?
Flat position only
9
3 to 15 psi
hydrometer

34. The sum of atmospheric and gauge pressure is known as __________ pressure.
piping
Absolute
Spiral Wound
After cutting

35. What is used to soften PVC and remove the gloss?
an eccentric reducer flat on top
foot valve
Flat and horizontal positions
Primer

36. What is on the low side of the vapor compression cycle?
Divide the diameter by half 4 times - put the 2nd and 4th number together to get the answer. Example - 6'(inch) 45 would be - 6 - 3 - 1 1/2 and 3/4. Answer 3 3/4'(inch)
The Evaporator
To chemically prepare the pieces for soldering
On high side of the system and turns gas to liquid.

37. What is typically a final control element?
Pneumatics
Tagged and removed from service.
Valve
.01745 - 3.1416 - and .7854

38. One pound of water pressure is equal to...
discharge
The same ID as the branch
2.31ft
Before the strainer and fully open.

39. Steam condensate lines should use...
To protect the threads from rust.
Discharge
Sch 80 Steel pipe
200 lbs

40. What is Hydronics?
The science of heat transfer using water.
Multiply the length of the hypotenuse of the roll and the set by 1.414
Insufficient condensate drainage
Expansion loop.

41. The weight of 1 cubic foot of water is...
62.4lbs
Alloying
Air Bound
Manometer

42. A float and thermostatic trap is a...
Thermostatic - Thermodynamic and Mechanical
The flux burns and the joint becomes ineffective
Mechanical/Thermostatic
4 to 20 milliamps

43. Name the three methods of transferring heat.
Conduction - convection and radiant.
212 degrees F
Clove hitch with a half hitch
Discharge

44. What is the specific gravity of water?
4 1/2'(inch)
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
1
The stud bolt is stronger than a machine bolt of the same size and material.

45. What size hole should be cut into a main to saddle ON a smaller pipe?
200 lbs
sewage
the core
The same ID as the branch

46. When loosening the bolts on a flange one should...
14'(inch)
The Evaporator
Loosen the far bolts first
Fuse

47. A cooling tower must have a ________ or be open-site.
Backflow preventer
Mechanical/Thermostatic
10 feet
Type K

48. What does a + plus sign mean?
Not to scale - does not show locations of equipment. It shows pipe size and flow.
Crimson... think aCRimson
Pipe penetration
4 1/2'(inch)

49. Horizontal steam supply piping should be reduced in size by using...
Type K
Never
Eccentric reducer (flat on top)
Set point

50. The pipe size of a pipe changes from the ID to the OD on what pipe size?

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