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. When a pipe size is decreased by half - the carrying capacity of the pipe decreases by...
Equalizing line
Quarter
foot valve
Bumping


2. The last two digits on an E-6010 electrode specify...
the type of coating and current
DWV
Dry expansion type
return fitting


3. When gripping a pipe with a pipe wrench - the wrench should be adjusted so the pipe is...
Pressure rating
take-off must be subtracted from the end-to-center measurement.
(Total Height - Elevation) * .433 = psig
near the middle of the jaws


4. What is used to soften PVC and remove the gloss?
1:48 - because 1/4 of an inch is 1/48th of a foot
Forced convection - because the FAN forces convection!
Primer
The Evaporator


5. A rating of 300# refers to a flange's...
Pressure Rating
Spring hanger
Loosen the far bolts first
Raise the load


6. What does the G stand for in the 2G - 5G and 6G weld positions?
13/16'(inch)
.0361
Groove
5ft - the 4 to 1 rule - every 4 feet high the base must move 1 foot back.


7. Why can flux be omitted in a brazed joint?
The flux is in the filler material
Too fast of a travel rate
sewage
supporter of combustion


8. Theoretically - a pump can raise water by suction approximately __________ feet vertically.
34 feet
the employer
Pressuretrol
3 to 15 psi


9. What causes water to move in a Hydronic system?
Remote bulb
The flux is in the filler material
The pump creates a differential in pressure that moves the water.
840


10. A vertical line in an isometric drawing represents...
BCuP - Stands for Brazed Copper Phosphorus
Up and Down
the core
Remote bulb


11. The final step in the galvanizing of pipe is to dip the pipe into a bath of molten _________?
bowline on a bight
Hydrostatics
zinc
Mechanical/Thermostatic


12. Which of the following is sometimes used as a shielding gas in the GTAW process?
Purge the line when brazing
Above the main
Argon
Discharge


13. The leading cause of on-the-job deaths in the construction industry is _______________.
62.4
The temperature that the joints are made - the flux and temperatures of the system
falls
34 feet


14. To fabricate a 60 degree elbow from a 90 you would...
Positive
7.0
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
Expansion loop.


15. What type of copper tubing joint requires use of a ferrule?
.433psi
Center of the pipe
Notify response team and allow them to rescue.
compression


16. OD for 1/2'(inch)

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


17. What instrument is best for measuring vacuum?
Green
Manometer
Strainer
1 foot


18. The anode rod used in a hot water heater to protect it from corrosion is made of...
Waterlogged
1.25'(inch)
Magnesium
Type K


19. The specific weight of air and water is...
Pressure rating
Yellow.. think Dee Double U is yelloWWW
1
1.25'(inch)


20. Factors in considering the site selection for a new cooling tower.
Type K
Prevailing wind speed and direction - environmental concerns - zoning requirements
Positive
Flat position only


21. The centerline of piping in a horizontal plane on an isometric drawing is most generally drawn at __________ degrees from the horizontal.
30 Degrees
(Total Height - Elevation) * .433 = psig
galvanized
Increase the pressure when the temperature increases


22. A gallon of water weighs...
Not to scale - does not show locations of equipment. It shows pipe size and flow.
8.33lbs
Multiply the length of the hypotenuse of the roll and the set by 1.414
None


23. The most that a crane should be loaded is...
100% of the rated capacity
Erratic readings
supporter of combustion
the type of coating and current


24. An exit from a trench should be no more than...

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


25. A cooling tower must have a ________ or be open-site.
75 degrees - also 4 to 1
Backflow preventer
4 to 20 milliamps
Set point


26. Standard atmospheric pressure at sea level is _____...
Increase
Equalizing line
discharge
14.7 psia


27. Which of the following has the largest inside diameter?
Argon
Schedule 10
.707 x Travel
The tensile strength of the rod in PSI times 1 -000


28. The only entity that has the responsibility and authority to appoint the competent person is...
Latent
Increase
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)
the employer


29. OD for 4'(inch)

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


30. Both soldered and brazed joints are made by heating a properly prepared joint to the proper temperature and the flowing of a filler metal by means of...
Capillary action
Fuse
Tagged and removed from service.
DWV


31. Steam condensate lines should be installed on...
Snubber
(Total Height - Elevation) * .433 = psig
discharge
Roller hangers


32. What is the minimum thickness for threading PVC pipe?
.707
Raise the load
Sch 40
Absolute


33. The purpose of the foot switch on a power-operated pipe cutting and threading machine is to?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


34. A schematic drawing is...
bowline on a bight
Pipe strain
Not to scale - does not show locations of equipment. It shows pipe size and flow.
supporter of combustion


35. The combining of more than one metal is...
Cavitation
bowline on a bight
Alloying
blow the valves for a moment


36. One pound of water pressure is equal to...
2.31ft
the type of coating and current
34 feet
Latent


37. A vent is not needed on a condensate receiver when...
Segmental
The temperature that the joints are made - the flux and temperatures of the system
Mechanical return is used.
In a pressure gauge


38. 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.
To chemically prepare the pieces for soldering
foot valve
25 feet
1


39. OD for 5'(inch)

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


40. Steam in contact with the water it has been generated from is known as ________________ steam.
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
Saturated
The same ID as the branch
Solder joints


41. The amount of heat necessary bring about a change of state from solid to liquid or liquid to gas is known as _______________ heat.
1728
Basket
Latent
231


42. How much heat is required to raise 1/2 pound of water 1 degree F?
1/2 BTU
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
blow the valves for a moment
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)


43. The maximum practical suction lift on positive displacement pumps is 22 feet and on centrifugal pumps it is __________ feet.
To chemically prepare the pieces for soldering
Backflow preventer
15 Feet
an eccentric reducer flat on top


44. If a horizontal pipe connecting to the suction side of a pump requires a reducer - it should be connected with...
All the way to the shoulder
Primer
Green... think KKelly GREEN
an eccentric reducer flat on top


45. What is the weakest part of a chain hoist?
8.33lbs
62.4lbs
lower hook
Bumping


46. What does GFCI stand for?
Immersion sensor
Ground Fault Circuit Interrupter
Flooded
.625


47. One gallon of water weighs?
8.33 pounds
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
62.4lbs
Roller hangers


48. What would be the result of an incorrectly installed orifice plate?
Erratic readings
Point at the base and sweep the base with the extinguisher
On high side of the system and turns gas to liquid.
Immersion sensor


49. What is the standard for an electronic signal?
Above the main
Dry expansion type
Point at the base and sweep the base with the extinguisher
4 to 20 milliamps


50. The pressure exerted by a liquid at rest is...
Conduction - convection and radiant.
Hydrostatic
Too fast of a travel rate
1 5/16'(inch)