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Plumbing Certification
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Subject
:
certifications
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. A neutral reading on the PH scale is...
7.0
Pressure Rating
None
Flash Tank
2. Which of the following has the largest inside diameter?
Fusion
Schedule 10
The tensile strength of the rod in PSI times 1 -000
Height * .433 = psig
3. What is on the low side of the vapor compression cycle?
Clove hitch with a half hitch
The Evaporator
Insure progressively tighter fit
tangent 1/2 angle x radius
4. How many 2'(inch) pipes can be supplied from a 6'(inch) header?
231
The Evaporator
galvanized
9
5. A float and thermostatic trap is a...
8.33lbs
Absolute
orthographic
Mechanical/Thermostatic
6. What does the stamp Oxy-Med stand for on copper tubing?
The tubing has been cleaned for oxygen service
Green... think KKelly GREEN
Manometer
the core
7. When a flux joint is overheated it will not...
Choked position
Yellow.. think Dee Double U is yelloWWW
Fuse
piping
8. A rating of 300# refers to a flange's...
.7854 x D squared
Pressure Rating
1:48 - because 1/4 of an inch is 1/48th of a foot
Saturated
9. The only entity that has the responsibility and authority to appoint the competent person is...
Primer
On high side of the system and turns gas to liquid.
the employer
Up and Down
10. What is the welding position 1 - on the electrode mean?
Strainer
All position
30 Degrees
protect worker safety and health
11. The specific weight of mercury is...
DWV
The temperature that the joints are made - the flux and temperatures of the system
.0361
set point
12. The specific gravity of a gas is relative to the specific weight of _______________ - which has a specific gravity of one.
Air
Pipe penetration
Softener
1/2 BTU
13. The sum of atmospheric and gauge pressure is known as __________ pressure.
Never
7.0
Absolute
4 times
14. Since _______________ is virtually incompressible - pressure has little effect on its volume.
Water
Controller
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
Immersion sensor
15. The type of drawing that views a building by looking directly at the front - top and side is referred to as a/an ___________ drawing.
Insert pipe into fitting and turn 1/4 turn and hold
orthographic
With the weld at a 45 degree angle
Condensate pump size
16. One atmosphere is equal to...
Dog Everything
compression
14.7psia - always in PSI-A
1.5
17. What is the formula to figure the area of a circle?
Waterlogged
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
14.7psia - always in PSI-A
radius squared times PI
18. To figure the end-to-end measurement of a piece of pipe when the end-to-end center measurement is known the...
Conduction - convection and radiant.
231
Pressure Rating
take-off must be subtracted from the end-to-center measurement.
19. Which rigging configuration has the greatest sling strength?
2.31ft
no valves permitted
Basket
34 feet
20. A vertical line in an isometric drawing represents...
Up and Down
Fusion
.491lbs
1.25'(inch)
21. The last two digits on an E-6010 electrode specify
Backflow preventer
7.48
10 feet
The type of coating and current
22. What causes water hammer?
Flash Tank
Insufficient condensate drainage
Insure progressively tighter fit
2 and 1
23. The color code for type '(inch)K'(inch) copper is?
Green
Quarter
Point at the base and sweep the base with the extinguisher
Flat and horizontal positions
24. A valve on the suction side of the pump should be...
Before the strainer and fully open.
The same ID as the branch
Globe valve
Above the main
25. The amount of heat it takes to raise one pound of water one degree Fahrenheit is known as a...
steel to copper joints
62.4
Cavitation
BUT
26. The pressure exerted by a liquid at rest is...
dry expansion
Air
.7854 x D squared
Hydrostatic
27. What does the crane signal with the index finger pointed forward in a swirling motion signal?
Fuel - Heat - Oxygen
Not to scale - does not show locations of equipment. It shows pipe size and flow.
Roller hangers
Raise the load
28. A Hartford loop is used for...
Axis of pipe should be on a 45 degree
Protection for loss of water in the boiler.
Multiply the length of the hypotenuse of the roll and the set by 1.414
Softener
29. What type of sensor is directly in the process stream?
Immersion sensor
.01745 - 3.1416 - and .7854
hydrometer
Ball joint - Bellows Joint and Packed Joint
30. Where is a bourdon tube found?
In a pressure gauge
The flow of a liquid into a small space
.707 x Travel
Center of the pipe
31. One foot of water exerts...
.433psi
Center of the pipe
Sensor
All position
32. Which of the following is a key element of a comprehensive safety and health program?
.707 x Travel
Flooded
2 3/8'(inch)
Hazard prevention and control.
33. What type of Copper tubing is not identified by color on the tubing itself?
soft tempered
.707 x Travel
Arrange a wire rope clamp so that the dead end has the U bolts
Dog Everything
34. Which of the following is sometimes used as a shielding gas in the GTAW process?
1 5/16'(inch)
Ball joint - Bellows Joint and Packed Joint
Argon
1
35. What does the G stand for in the 2G - 5G and 6G weld positions?
Fuel - Heat - Oxygen
Groove
Remove any paint or rust.
Too fast of a travel rate
36. A __________ displacement pump discharges a definite quantity of liquid for each cycle.
5ft - the 4 to 1 rule - every 4 feet high the base must move 1 foot back.
an eccentric reducer flat on top
Positive
Raise the load
37. The last digit on a welding electrode refers to the __________ of the electrode.
In the hot water heating pumps discharge piping.
Coating
Raise the load
Bumping
38. When changing pipe sizes in the horizontal supply or return lines of a two-pipe hot water heating system use...
Point thumb up
falls
Eccentric reducers - flat on top
Absolute
39. A single line drawing of a piping system represents the...
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
The flux is in the filler material
Raise the load
Center of the pipe
40. The device that controls the pressure in a low pressure steam boiler is called a...
The system temperature - thermal and dynamic movement of the pipe and vibration.
The temperature that the joints are made - the flux and temperatures of the system
Pressuretrol
Strainer
41. What is the welding position 2 - on the electrode mean?
Provide oxygen barrier - stabilize and direct the force of the arc and to gather impurities in the form of slag.
14'(inch)
handle will bend
Flat and horizontal positions
42. The last two digits on an E-6010 electrode specify...
the type of coating and current
To reduce the pressure from the cylinders to safe and workable pressures
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
Increase in friction
43. One cubic foot of water weighs?
1/2 BTU
Type K
62.4 pounds
Notify response team and allow them to rescue.
44. Which type of orifice plate is designed to measure flow of liquids containing solids?
.707 x Travel
Segmental
take-off must be subtracted from the end-to-center measurement.
Capillary action
45. The centerline of piping in a horizontal plane on an isometric drawing is most generally drawn at __________ degrees from the horizontal.
With the weld at a 45 degree angle
Strainer
30 Degrees
galvanized
46. Which one of the following alloys does not require flux when brazing copper to copper joints?
BCuP - Stands for Brazed Copper Phosphorus
Large end to smaller end to center(bull)
Allow moisture to escape
A pry bar
47. If a horizontal pipe connecting to the suction side of a pump requires a reducer - it should be connected with...
62.4
14'(inch)
Yellow.. think Dee Double U is yelloWWW
an eccentric reducer flat on top
48. OD for 8'(inch)
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on line
183
49. What do the first two digits mean in E7018 electrodes?
an eccentric reducer flat on top
The tensile strength of the rod in PSI times 1 -000
Flat and horizontal positions
Controller
50. When a loop is needed at any point between ends of a rope - the proper knot to tie is the...
Steam
bowline on a bight
Ammonia
The stud bolt is stronger than a machine bolt of the same size and material.
Sorry!:) No result found.
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