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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. The pipe fitting that makes a 180 degree turn is called a/an?
Expansion Device
return fitting
.491lbs
lower hook

2. The color code for ACR copper is...
Flat and horizontal positions
Dog Everything
The tensile strength of the rod in PSI times 1 -000
Crimson... think aCRimson

3. To figure the end-to-end measurement of a piece of pipe when the end-to-end center measurement is known the...
Basket
Blue... think b-LLLLue
Neutral
take-off must be subtracted from the end-to-center measurement.

4. To stop all crane movement the ______ signal should be used.
Dog Everything
Globe
Blue... think b-LLLLue
15 PSI

5. What does the crane signal with the index finger pointed forward in a swirling motion signal?
1.5
Manometer
foot valve
Raise the load

6. Exits from a trench 150' long and 4' deep must be located within how many feet of a worker in the trench?
15 PSI
25 feet
Air
Flux

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

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8. The maximum practical suction lift on positive displacement pumps is 22 feet and on centrifugal pumps it is __________ feet.
15 Feet
3.1416
Clean all surfaces
Discharge

9. One atmosphere is equal to...
14.7psia - always in PSI-A
Sensor
To allow for thermal movement
Up and Down

10. In a piping installation allowing for expansion in two directions - how should the anchor(s) and guide(s) be positioned relative to each other?
Argon
3 1/2'(inch)
supporter of combustion
Guide - Anchor - Guide

11. The weight of 1 cubic foot of water is...
Multiply the length of the hypotenuse of the roll and the set by 1.414
supporter of combustion
62.4lbs
2.31ft

12. The last digit on a welding electrode refers to the __________ of the electrode.
Air
near the middle of the jaws
Pressure Rating
Coating

13. Which of the following types of clamps are used to dampen a pipe's movement?
Schedule 10
Prevailing wind speed and direction - environmental concerns - zoning requirements
Snubber
Blue... think b-LLLLue

14. A device that mechanically attaches to the side of a flange on a beam is called a...
Saturated
Eccentric reducer (flat on top)
Beam clamp
When a large volume of condensate is generated

15. When brazing for medical gas or refrigeration always...
4 1/2'(inch)
The stud bolt is stronger than a machine bolt of the same size and material.
3 1/2'(inch)
Purge the line when brazing

16. What is the sum of all angles in a triangle?
To chemically prepare the pieces for soldering
true isometric
On low side of the system and expands liquid to low pressure gas.
180

17. What is the minimum safe clearance between cranes and energized power lines operating at 50kV or below?
14.7 psia
10 feet
To protect the threads from rust.
Spiral Wound

18. A float and thermostatic trap is a...
Basket
Pressure Rating
Mechanical/Thermostatic
1 foot

19. All of the following are process control elements EXCEPT...
Large end to smaller end to center(bull)
piping
Basket
the core

20. Which of the following types of copper tube has the smallest wall thickness?
14'(inch)
DWV
Capillary action
Snubber

21. In a Hydronic heating system - units at the top of the system not heating are likely to be...
Hazard prevention and control.
Sch 40
Air Bound
The flow of a liquid into a small space

22. 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.
62.4
Erratic readings
Air

23. What is the purpose of the expansion joint in a steam system?
To provide movement cause from a change in temperature
34 feet
1
14.7 psia

24. Steam in contact with the water it has been generated from is known as ________________ steam.
Saturated
Never
no valves permitted
8.33 pounds

25. To determine the set on a 45 degree offset you would multiply the travel by...
near the middle of the jaws
.707
Raise the load
Sch 80 Steel pipe

26. What is the standard for an electronic signal?
7.0
4 to 20 milliamps
Manometer
The temperature that the joints are made - the flux and temperatures of the system

27. .433 psig is equal to how high of a water column?
1 foot
1:48 - because 1/4 of an inch is 1/48th of a foot
Continuously
Conduction - convection and radiant.

28. Which is the correct formula for the area of a circle?
Ground Fault Circuit Interrupter
.7854 x D squared
1 foot
A pry bar

29. Which of the following has the largest inside diameter?
Alloying
Arrange a wire rope clamp so that the dead end has the U bolts
Expansion Device
Schedule 10

30. What are the three types of steam traps?
Globe valve
Insert pipe into fitting and turn 1/4 turn and hold
Thermostatic - Thermodynamic and Mechanical
Schedule 10

31. Horizontal steam supply piping should be reduced in size by using...
Purge the line when brazing
Pressuretrol
Eccentric reducer (flat on top)
no valves permitted

32. What is the standard pressure range for a pneumatic signal?
Before the strainer and fully open.
orthographic
Remove the packing
3 to 15 psi

33. When a cranes signaler's hand is pointed up with his finger moving in a circle it means to...
tangent 1/2 angle x radius
Large volumes of condensate flash back to liquid in the tank so it removes trapped steam from the condensate.
BUT
Raise the load

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

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35. A mixing valve has ___ inlets and ___ outlets.
4 to 20 milliamps
The pump creates a differential in pressure that moves the water.
With the weld at a 45 degree angle
2 and 1

36. Which of the following constants are used when working with circles and areas?
Primer
After cutting
.01745 - 3.1416 - and .7854
BUT

37. What type of flame should be used to cut carbon steel?
Insufficient condensate drainage
Neutral
4 1/2'(inch)
Spring hanger

38. What is typically a final control element?
protect worker safety and health
Alloying
Valve
the core

39. When a loop is needed at any point between ends of a rope - the proper knot to tie is the...
ALWAYS
cool and lubricate the die
Water
bowline on a bight

40. The change in state from a liquid to gas is known as...
The tensile strength of the rod in PSI times 1 -000
Pressuretrol
handle will bend
Vaporization

41. To view the west elevation the viewer's perspective is from the...
The flux is in the filler material
West of the building
5 9/16'(inch)
The same OD as the branch

42. Standard atmospheric pressure at sea level is _____...
The flux burns and the joint becomes ineffective
14.7 psia
(Total Height - Elevation) * .433 = psig
Schedule 10

43. A gallon of water weighs...
Increase in friction
8.33lbs
To allow for thermal movement
Hydrostatics

44. The color code for type L copper is...
Pressure Rating
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
Groove
Blue... think b-LLLLue

45. A schematic drawing is...
BUT
Flat and horizontal positions
.0361
Not to scale - does not show locations of equipment. It shows pipe size and flow.

46. 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.
foot valve
Ammonia
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
Two Hole

47. The color code for type K copper is...
West of the building
14.7 psia
Pneumatics
Green... think KKelly GREEN

48. What is the best gasket to use on a flanged joint on medium pressure steam?
Spiral Wound
4 to 20 milliamps
Insure progressively tighter fit
.707 x Travel

49. What are the three rope parts used in tying knots and hitches?
The type of coating and current
Fuel - Heat - Oxygen
Bight - running end and standing part
Mechanical return is used.

50. The best knot to use when lifting pipe vertically is the...
Clove hitch with a half hitch
15 Feet
1
Too fast of a travel rate