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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. A concentric reducer could be used to connect to a horizontal pump _______________ line.
Sch 40
Insure progressively tighter fit
To provide movement cause from a change in temperature
discharge

2. When loosening the bolts on a flange one should...
Groove
Two Hole
The same OD as the branch
Loosen the far bolts first

3. How far should a copper tube be inserted into a cup for a brazed joint?
Globe valve
1 foot
Multiply the length of the hypotenuse of the roll and the set by 1.414
All the way to the shoulder

4. The sum of atmospheric and gauge pressure is known as __________ pressure.
Absolute
Up and Down
Manometer
To protect the threads from rust.

5. In a Hydronic heating system - units at the top of the system not heating are likely to be...
Air Bound
Valve
near the middle of the jaws
Mechanical return is used.

6. The treatment of liquids at rest is known as...
To allow for thermal movement
4 1/2'(inch)
Hydrostatics
Eccentric reducer (flat on top)

7. In a piping installation allowing for expansion in two directions - how should the anchor(s) and guide(s) be positioned relative to each other?
hydrometer
Controller
Solder joints
Guide - Anchor - Guide

8. What is the main reason for the taper on a pipe thread?
Insure progressively tighter fit
.491lbs
Condensate pump size
1

9. What does GFCI stand for?
4 1/2'(inch)
Ground Fault Circuit Interrupter
The same ID as the branch
.135 cu ft

10. What is the formula to figure the area of a circle?
All the way to the shoulder
cool and lubricate the die
MAPP - acetylene - and propane
radius squared times PI

11. What is capillary action?
Green
Spiral
The flow of a liquid into a small space
BCuP - Stands for Brazed Copper Phosphorus

12. Momentarily closing the starting switch to check the rotation of the pump is known as __________ the pump.
Bumping
Expansion Device
Green... think KKelly GREEN
Thermostatic - Thermodynamic and Mechanical

13. A system which the refrigerant is in the shell and cools the fluid in the tubes is...
Argon
The same OD as the branch
Flooded
bowline on a bight

14. The color code for type M copper is...
Red.. think M&M is RED
15 Feet
Remove any paint or rust.
To allow for thermal movement

15. To raise the boom of a crane you would...
Crimson... think aCRimson
Quarter
Point thumb up
near the middle of the jaws

16. The proper way to extinguish a fire is to...
compression
Immersion sensor
Point at the base and sweep the base with the extinguisher
Flashing

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

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18. 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
.625
Blue... think b-LLLLue
Its cheaper!

19. When a cranes signaler's hand is pointed up with his finger moving in a circle it means to...
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
8 5/8'(inch)
Raise the load
Capillary action

20. A __________ displacement pump discharges a definite quantity of liquid for each cycle.
Beam clamp
Positive
Expansion Device
Solder joints

21. Why can flux be omitted in a brazed joint?
radius squared times PI
.0361
Pressure Rating
The flux is in the filler material

22. To sense the temperature remotely from the thermostat location you would use...
discharge
The tensile strength of the rod in PSI times 1 -000
Mechanical return is used.
Remote bulb

23. Which of the following is the decimal equivalent of 5/8'(inch)
.707 x Travel
.625
Point at the base and sweep the base with the extinguisher
Increase the pressure when the temperature increases

24. A dielectric fitting should be used on...
Segmental
Tagged and removed from service.
Fuel - Heat - Oxygen
steel to copper joints

25. How many 2'(inch) pipes can be supplied from a 6'(inch) header?
Continuously
Choked position
9
Pressuretrol

26. Calculate head pressure of a vertical pipe at specific elevations.
Insure progressively tighter fit
Forced convection - because the FAN forces convection!
Hazard prevention and control.
(Total Height - Elevation) * .433 = psig

27. What type of copper tubing joint requires use of a ferrule?
None
Clove hitch with a half hitch
Flash Tank
compression

28. The pipe fitting that makes a 180 degree turn is called a/an?
The pump creates a differential in pressure that moves the water.
8.33lbs
return fitting
Two Hole

29. Oil is used on a pipe machine to...
The stud bolt is stronger than a machine bolt of the same size and material.
cool and lubricate the die
hydrometer
62.4 pounds

30. A gallon of water weighs...
Equalizing line
pi * radius squared
8.33lbs
4 to 20 milliamps

31. What type of valve should be used to bypass a control valve?
The flux is in the filler material
Globe valve
Absolute
Pipe strain

32. An abrasive wheel should never run faster than it...
Alloying
.625
soft tempered
maximum rated capacity

33. Which component in a closed control loop is the primary element?
The pump creates a differential in pressure that moves the water.
.707
Sensor
Bumping

34. The most that a crane should be loaded is...
galvanized
100% of the rated capacity
Pressure rating
protect worker safety and health

35. A guard rail system must withstand a minimum force of __________ pounds.
Clove hitch with a half hitch
5 9/16'(inch)
Prevailing wind speed and direction - environmental concerns - zoning requirements
200 lbs

36. A condensate receiver is used when...
Magnesium
Positive
When a large volume of condensate is generated
100% of the rated capacity

37. Which one of the following measures and takes action?
Equalizing line
62.4 pounds
Controller
200 lbs

38. A vertical line in an isometric drawing represents...
Anchors
Expansion = Constant per 100ft multiplied by (Final Temp- Starting Temp) Example: 380' steel pipe (.0305 constant) is heated from 62 degrees to 171 degrees - how much did the pipe expand? Formula: .0305 * 3.8 (171-62) = 3 5/16'(inch)
Up and Down
Set point

39. What are the three types of steam traps?
OD
Raise the load
Red.. think M&M is RED
Thermostatic - Thermodynamic and Mechanical

40. There are __________ cubic inches in a gallon.
Quarter
Immersion sensor
231
Material Safety Data Sheet

41. When leaning a ladder against an object - the ladder should be at an approximate angle of __________ degrees.
After cutting
75 degrees - also 4 to 1
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
1728

42. What is the maximum pressure for an acetylene hose?
Erratic readings
Hydrostatics
15 PSI
8.33lbs

43. An up-feed steam heating system has the heating units...
Above the main
Cavitation
With the weld at a 45 degree angle
Insufficient condensate drainage

44. The change in state from solid to liquid is known as...
1.25'(inch)
Fusion
7.0
The Evaporator

45. .433 psig is equal to how high of a water column?
The Evaporator
orthographic
1 foot
Erratic readings

46. What is the expansion and compression of water vapor in a pump?
75 degrees - also 4 to 1
Air Bound
Schedule 10
Cavitation

47. The color code for ACR copper is...
Ammonia
Crimson... think aCRimson
To allow for thermal movement
Positive

48. Which of the following is a key element of a comprehensive safety and health program?
Provide oxygen barrier - stabilize and direct the force of the arc and to gather impurities in the form of slag.
compression
Hazard prevention and control.
DWV

49. What is the welding position 1 - on the electrode mean?
.433psi
All position
hydrometer
Too fast of a travel rate

50. Factors in considering the site selection for a new cooling tower.
Prevailing wind speed and direction - environmental concerns - zoning requirements
Above the main
To provide movement cause from a change in temperature
In a pressure gauge