Test your basic knowledge |

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. If the travel of a 45 degree offset is known - what formula can be used to find the advance?
Spring hanger
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
Multiply the length of the hypotenuse of the roll and the set by 1.414
.707 x Travel

2. What causes pressure drop?
Loosen the far bolts first
Increase in friction
Erratic readings
Primer

3. The specific gravity of a gas is relative to the specific weight of _______________ - which has a specific gravity of one.
The temperature that the joints are made - the flux and temperatures of the system
Never
Air
pi * radius squared

4. To determine the travel for a 45 degree rolling offset you would...
Protection for loss of water in the boiler.
Insufficient condensate drainage
Two Hole
Multiply the length of the hypotenuse of the roll and the set by 1.414

5. Which of the following methods of access to a scaffold is prohibited?
Expansion loop.
Pressure Rating
Climbing the cross braces.
true isometric

6. What is installed after the isolation valve and before the trap union on a standard trap assembly?
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)
Strainer
Remote bulb
The pump creates a differential in pressure that moves the water.

7. The density of water is...
3.1416
62.4
212 degrees F
Choked position

8. What should the outside attendant do to rescue a worker who shows physiological effects of exposure in a confined space?
Increase the pressure when the temperature increases
Hydrostatics
steam and condensate flowing in the same direction
Notify response team and allow them to rescue.

9. When a loop is needed at any point between ends of a rope - the proper knot to tie is the...
14'(inch)
Primer
BUT
bowline on a bight

10. The change in state from solid to liquid is known as...
25' from any worker
The stud bolt is stronger than a machine bolt of the same size and material.
Fusion
62.4 pounds

11. An abrasive wheel should never run faster than it...
.491lbs
piping
compression
maximum rated capacity

12. The specific weight of air and water is...
1
3 1/2'(inch)
.707
15 Feet

13. The treatment of liquids at rest is known as...
The flux burns and the joint becomes ineffective
The type of coating and current
Hydrostatics
bowline on a bight

14. How high must you extend a ladder above the roof or deck?

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15. A diamond on an instrumentation loop diagram encloses information concerning...
Set point
On high side of the system and turns gas to liquid.
1.25'(inch)
maximum rated capacity

16. What type of hanger uses a spring that splits the rod?
Immersion sensor
Spring hanger
Conduction - convection and radiant.
5 9/16'(inch)

17. A rating of 150# refers to a flange's...
Guide - Anchor - Guide
falls
14.7psia - always in PSI-A
Pressure rating

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

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19. An oil separator is required on systems using...
bowline on a bight
Ammonia
radius squared times PI
250 degrees

20. When loosening the bolts on a flange one should...
Loosen the far bolts first
8 5/8'(inch)
pi * radius squared
2 and 1

21. To determine the set on a 45 degree offset you would multiply the travel by...
return fitting
Erratic readings
.707
Conduction - convection and radiant.

22. What is used to soften PVC and remove the gloss?
9
Primer
Capillary action
bowline on a bight

23. 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...
foot valve
Capillary action
Axis of pipe should be on a 45 degree
8.33 pounds

24. What is on the low side of the vapor compression cycle?
The Evaporator
Raise the load
Vaporization
Insufficient condensate drainage

25. What do the first two digits mean in E7018 electrodes?
Mechanical/Thermostatic
The tensile strength of the rod in PSI times 1 -000
After cutting
1.25'(inch)

26. Which of the following is a key element of a comprehensive safety and health program?
.075lbs
Before the strainer and fully open.
Vaporization
Hazard prevention and control.

27. In a refrigeration system a condensable gas is...
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
Erratic readings
the type of coating and current
Ammonia

28. When a cranes signaler's hand is pointed up with his finger moving in a circle it means to...
9
Raise the load
Clove hitch with a half hitch
The type of coating and current

29. The device that controls the pressure in a low pressure steam boiler is called a...
The science of heat transfer using water.
Neutral
Pressuretrol
Erratic readings

30. The main cause of undercutting is...
4 times
Remove any paint or rust.
Too fast of a travel rate
foot valve

31. What type of sensor is directly in the process stream?
The pump creates a differential in pressure that moves the water.
Crimson... think aCRimson
Immersion sensor
Globe

32. What is the welding position 1 - on the electrode mean?
All position
30 Degrees
4 times
Flat and horizontal positions

33. The density of 1 cubic inch of Mercury is...
Immersion sensor
.491lbs
Flash Tank
Capillary action

34. OD for 1'(inch)

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35. The color code for type K copper is...
handle will bend
Globe valve
Green... think KKelly GREEN
Absolute

36. The type of drawing that views a building by looking directly at the front - top and side is referred to as a/an ___________ drawing.
orthographic
the employer
In the direction of flow
62.4 pounds

37. The 6G welding position is...
Eccentric reducer (flat on top)
Too fast of a travel rate
BCuP - Stands for Brazed Copper Phosphorus
With the weld at a 45 degree angle

38. Which one of the following measures and takes action?
Too fast of a travel rate
Controller
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)
Coating

39. To order a reducing tee you should specify the size by...
8.33 pounds
To protect the threads from rust.
Roller hangers
Large end to smaller end to center(bull)

40. A cooling tower must have a ________ or be open-site.
Condensate pump size
Expansion Device
Too fast of a travel rate
Backflow preventer

41. When a soldered joint is overheated...
All the way to the shoulder
The flux burns and the joint becomes ineffective
The tensile strength of the rod in PSI times 1 -000
The system temperature - thermal and dynamic movement of the pipe and vibration.

42. A concentric reducer could be used to connect to a horizontal pump _______________ line.
8 5/8'(inch)
discharge
Dog Everything
Center of the pipe

43. Where should the high pressure condensate be piped to before entering the receiver?
3.1416
Flash Tank
The tubing has been cleaned for oxygen service
Segmental

44. The treatment of liquids in motion is known as...
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)
Loosen the far bolts first
Never
Hydraulics

45. A single line drawing of a piping system represents the...
steel to copper joints
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
Flux
Center of the pipe

46. When a flux joint is overheated it will not...
10 feet
Backflow preventer
Hazard prevention and control.
Fuse

47. When brazing for medical gas or refrigeration always...
Purge the line when brazing
NEVER!
Magnesium
The flux burns and the joint becomes ineffective

48. When should you ream the end of a pipe?
7.48
.491lbs
After cutting
the type of coating and current

49. What does the crane signal with the index finger pointed forward in a swirling motion signal?
Bumping
Depends on the desired action if the disc or plug becomes detatched from the stem. (Fail open or Fail closed)
Raise the load
The flux burns and the joint becomes ineffective

50. A valve on the suction side of the pump should be...
Increase the pressure when the temperature increases
1
Before the strainer and fully open.
Alloying