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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. Steam in contact with the water it has been generated from is known as ________________ steam.
Manometer
Saturated
Spiral Wound
To provide movement cause from a change in temperature

2. Which of the following types of clamps are used to dampen a pipe's movement?
Its cheaper!
Snubber
take-off must be subtracted from the end-to-center measurement.
Hydrostatics

3. What should the outside attendant do to rescue a worker who shows physiological effects of exposure in a confined space?
Globe valve
Forced convection - because the FAN forces convection!
Ball joint - Bellows Joint and Packed Joint
Notify response team and allow them to rescue.

4. When leaning a ladder against an object - the ladder should be at an approximate angle of __________ degrees.
Cavitation
Fuel - Heat - Oxygen
Flash Tank
75 degrees - also 4 to 1

5. .433 psig is equal to how high of a water column?
1 foot
Bight - running end and standing part
Eccentric reducer (flat on top)
Before the strainer and fully open.

6. The face to center measurement of any welded angle fitting equals...
25 feet
compression
tangent 1/2 angle x radius
Vaporization

7. What is the standard pressure range for a pneumatic signal?
3 to 15 psi
2 and 1
Hydrostatics
Increase in friction

8. All of the following are process control elements EXCEPT...
piping
Loosen the far bolts first
Increase the pressure when the temperature increases
In the direction of flow

9. What is the purpose of the oxygen and acetylene regulators?
NEVER!
To reduce the pressure from the cylinders to safe and workable pressures
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
protect worker safety and health

10. Which rigging configuration has the greatest sling strength?
Basket
Snubber
To allow for thermal movement
Condensate pump size

11. Which of the elements of a wire rope aid in absorbing '(inch)Shock Loads'(inch)?
Softens it
Protection for loss of water in the boiler.
the core
Argon

12. Before attaching regulators to an oxygen cylinder...
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)
On low side of the system and expands liquid to low pressure gas.
The temperature that the joints are made - the flux and temperatures of the system
blow the valves for a moment

13. What should be done to prepare a flange for the gasket installation?
7.48
Remove any paint or rust.
supporter of combustion
Too fast of a travel rate

14. When should you ream the end of a pipe?
After cutting
Sch 80 Steel pipe
tangent 1/2 angle x radius
100% of the rated capacity

15. Which one of the following measures and takes action?
Controller
Green... think KKelly GREEN
Schedule 10
9

16. What has the largest effect on pump alignment?
Pipe strain
Fuel - Heat - Oxygen
lower hook
cool and lubricate the die

17. Why is it necessary to use flux on a soldered joint?
Bight - running end and standing part
With the weld at a 45 degree angle
To chemically prepare the pieces for soldering
10 feet

18. Formula for area of a circle?
pi * radius squared
Cavitation
The temperature that the joints are made - the flux and temperatures of the system
Guide - Anchor - Guide

19. A bushing is NOT a good replacement for a reducer because...
Its cheaper!
Allow moisture to escape
OD
Never

20. What are the main differences between soldering and brazing?
The temperature that the joints are made - the flux and temperatures of the system
Point thumb up
Solder joints
5ft - the 4 to 1 rule - every 4 feet high the base must move 1 foot back.

21. Condensate lines should be pitched...
In the direction of flow
radius squared times PI
Ground Fault Circuit Interrupter
Manometer

22. The color code for DWV copper is...
protect worker safety and health
Primer
Strainer
Yellow.. think Dee Double U is yelloWWW

23. If a horizontal pipe connecting to the suction side of a pump requires a reducer - it should be connected with...
On low side of the system and expands liquid to low pressure gas.
All position
To allow for thermal movement
an eccentric reducer flat on top

24. When is it safe to remove the old packing from a valve that is under pressure?
NEVER!
Water
Flux
36'(inch)

25. What would be the result of an incorrectly installed orifice plate?
Protection for loss of water in the boiler.
Argon
Erratic readings
BUT

26. What is Hydronics?
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
The science of heat transfer using water.
7.48
BUT

27. Which of the following is sometimes used as a shielding gas in the GTAW process?
The same OD as the branch
The stud bolt is stronger than a machine bolt of the same size and material.
Argon
Globe valve

28. Where is a bourdon tube found?
In a pressure gauge
supporter of combustion
no valves permitted
In the hot water heating pumps discharge piping.

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

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30. How many 2'(inch) pipes can be supplied from a 6'(inch) header?
To allow for thermal movement
Flash Tank
212 degrees F
9

31. The pipe fitting that makes a 180 degree turn is called a/an?
return fitting
Capillary action
Expansion Device
Spiral

32. Which type of orifice plate is designed to measure flow of liquids containing solids?
Segmental
Raise the load
Type K
Axis of pipe should be on a 45 degree

33. Annealing copper...
Protection for loss of water in the boiler.
Bumping
Ammonia
Softens it

34. To determine the set on a 45 degree offset you would multiply the travel by...
Choked position
MAPP - acetylene - and propane
the employer
.707

35. What is the function of the covering on the electrodes during the process of '(inch)Shielded Metal Arc Welding'(inch)?
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
Provide oxygen barrier - stabilize and direct the force of the arc and to gather impurities in the form of slag.
The Evaporator
Controller

36. The color code for type K copper is...
1 5/16'(inch)
orthographic
Loosen the far bolts first
Green... think KKelly GREEN

37. The proper way to extinguish a fire is to...
Point at the base and sweep the base with the extinguisher
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
.075lbs
14.7psia - always in PSI-A

38. You should never blow your clothes off with oxygen because oxygen is a/an
BUT
1728
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)
supporter of combustion

39. What causes pressure drop?
Globe
NEVER!
Increase in friction
Point thumb up

40. Formula for a cubic foot of an unknown substances weight?
Air
Green
The Evaporator
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

41. How much heat is required to raise 1/2 pound of water 1 degree F?
Remote bulb
1/2 BTU
return fitting
Eccentric reducer (flat on top)

42. How much does 1 cubic foot of air weigh?
Red.. think M&M is RED
.075lbs
Solder joints
Prevailing wind speed and direction - environmental concerns - zoning requirements

43. OD for 4'(inch)

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44. The best method to ensure that a plastic joint is made properly - you should...
compression
Large volumes of condensate flash back to liquid in the tank so it removes trapped steam from the condensate.
Groove
Insert pipe into fitting and turn 1/4 turn and hold

45. What is not a requirement to size the steam trap on a heating unit?
Condensate pump size
Raise the load
Flash Tank
Conduction - convection and radiant.

46. Which one of the following alloys does not require flux when brazing copper to copper joints?
piping
Eccentric reducers - flat on top
212 degrees F
BCuP - Stands for Brazed Copper Phosphorus

47. The specific gravity of a liquid can only be measured using the following instrument...
Arrange a wire rope clamp so that the dead end has the U bolts
hydrometer
30 Degrees
Schedule 10

48. The ______ is used to protect the weld puddle from contamination in the SMAW process.
OD
62.4lbs
840
Flux

49. The last two digits on an E-6010 electrode specify...
Sensor
the type of coating and current
blow the valves for a moment
Absolute

50. Where should the pressure enter a globe valve?
To chemically prepare the pieces for soldering
100% of the rated capacity
The impeller
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)