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. Which of the following methods of access to a scaffold is prohibited?
In a pressure gauge
BCuP - Stands for Brazed Copper Phosphorus
Climbing the cross braces.
Red.. think M&M is RED

2. The density of water is...
Discharge
62.4
Remove any paint or rust.
The tensile strength of the rod in PSI times 1 -000

3. To view the west elevation the viewer's perspective is from the...
an eccentric reducer flat on top
14.7 psia
4 1/2'(inch)
West of the building

4. An oil separator is required on systems using...
Air Bound
Fusion
Ammonia
231

5. 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

6. What is the formula to figure take off on a 45 degree elbow?

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

7. When a flux joint is overheated it will not...
Fuse
Loosen the far bolts first
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
200 lbs

8. If you double pipe size the carrying capacity is increased...
Argon
4 times
NEVER!
Red.. think M&M is RED

9. Since _______________ is virtually incompressible - pressure has little effect on its volume.
Water
handle will bend
The tensile strength of the rod in PSI times 1 -000
Raise the load

10. To fabricate a 60 degree elbow from a 90 you would...
To provide movement cause from a change in temperature
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
Green... think KKelly GREEN

11. To stop all crane movement the ______ signal should be used.
Provide oxygen barrier - stabilize and direct the force of the arc and to gather impurities in the form of slag.
Dog Everything
NEVER!
Cavitation

12. What does the evaporator do?
set point
Fuel - Heat - Oxygen
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
On low side of the system and expands liquid to low pressure gas.

13. In one cubic foot there are _________ cubic inches.
212 degrees F
1728
The impeller
take-off must be subtracted from the end-to-center measurement.

14. The most that a crane should be loaded is...
Clean all surfaces
100% of the rated capacity
1.5
25 feet

15. The proper way to extinguish a fire is to...
bowline on a bight
Spring hanger
Point at the base and sweep the base with the extinguisher
3.1416

16. In a typical residential air condittioning system - the evaporator is of the _______________ type - where the liquid refrigerant should be totally vaporized before it reaches the outlet of the evaporator.
Beam clamp
Pressure rating
Globe valve
dry expansion

17. Where should the high pressure condensate be piped to before entering the receiver?
231
Flash Tank
A pry bar
Latent

18. What does the crane signal with the index finger pointed forward in a swirling motion signal?
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
Provide oxygen barrier - stabilize and direct the force of the arc and to gather impurities in the form of slag.
Magnesium
Raise the load

19. What is typically a final control element?
Large end to smaller end to center(bull)
Valve
.01745 - 3.1416 - and .7854
Up and Down

20. Ladders with visible defects - such as broken rungs - cracked side rails - or broken steps must be...
Pneumatics
1
Tagged and removed from service.
1.25'(inch)

21. What temperature does water boil at sea level?
.7854 x D squared
30 Degrees
212 degrees F
Never

22. When brazing for medical gas or refrigeration always...
Purge the line when brazing
To allow for thermal movement
near the middle of the jaws
The flow of a liquid into a small space

23. What is the minimum thickness for threading PVC pipe?
Sch 40
With the weld at a 45 degree angle
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut

24. What is not a requirement to size the steam trap on a heating unit?
hydrometer
Fuel - Heat - Oxygen
Climbing the cross braces.
Condensate pump size

25. What is the formula to figure the area of a circle?
radius squared times PI
Multiply the length of the hypotenuse of the roll and the set by 1.414
.075lbs
Point at the base and sweep the base with the extinguisher

26. Capillary action is used in...
Body belts
Never
2 3/8'(inch)
Solder joints

27. An ejector pump is typically used to pump __________.
The flow of a liquid into a small space
Axis of pipe should be on a 45 degree
sewage
Air

28. A valve on the suction side of the pump should be...
Point at the base and sweep the base with the extinguisher
NEVER!
return fitting
Before the strainer and fully open.

29. What does a condenser do?
The same ID as the branch
BCuP - Stands for Brazed Copper Phosphorus
The stud bolt is stronger than a machine bolt of the same size and material.
On high side of the system and turns gas to liquid.

30. To assemble a 4 bolt flange...
bowline on a bight
15 Feet
.01745 - 3.1416 - and .7854
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.

31. The specific gravity of a gas is relative to the specific weight of _______________ - which has a specific gravity of one.
(Total Height - Elevation) * .433 = psig
Air
Primer
4 times

32. Which rigging configuration has the greatest sling strength?
Equalizing line
Basket
34 feet
The impeller

33. When gripping a pipe with a pipe wrench - the wrench should be adjusted so the pipe is...
Forced convection - because the FAN forces convection!
A pry bar
14.7psia - always in PSI-A
near the middle of the jaws

34. What is the minimum safe clearance between cranes and energized power lines operating at 50kV or below?
the type of coating and current
4 1/2'(inch)
piping
10 feet

35. To determine the travel for a 45 degree rolling offset you would...
Multiply the length of the hypotenuse of the roll and the set by 1.414
The flux is in the filler material
BUT
(Total Height - Elevation) * .433 = psig

36. How do you determine gear ratios?

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

37. What does the G stand for in the 2G - 5G and 6G weld positions?
Multiply the length of the hypotenuse of the roll and the set by 1.414
Ball joint - Bellows Joint and Packed Joint
Groove
62.4lbs

38. One cubic foot of water weighs?
compression
62.4 pounds
Notify response team and allow them to rescue.
100% of the rated capacity

39. The ______ is used to protect the weld puddle from contamination in the SMAW process.
Flux
Up and Down
62.4lbs
Bight - running end and standing part

40. The weight of 1 cubic foot of water is...
Strainer
Prevailing wind speed and direction - environmental concerns - zoning requirements
62.4lbs
near the middle of the jaws

41. How often should the atmosphere be tested in a confined space?
Act as a safety device to shut off the motor if the operator's foot is removed from the switch.
1
Continuously
The stud bolt is stronger than a machine bolt of the same size and material.

42. Which of the following types of copper tube has the smallest wall thickness?
DWV
The same ID as the branch
Air
Above the main

43. Momentarily closing the starting switch to check the rotation of the pump is known as __________ the pump.
Never
Bumping
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)
Flash Tank

44. What type of hanger uses a spring that splits the rod?
Tagged and removed from service.
NEVER!
Spring hanger
8.33 pounds

45. The density of 1 cubic inch of Mercury is...
Axis of pipe should be on a 45 degree
.491lbs
Absolute
.01745 - 3.1416 - and .7854

46. Which of the elements of a wire rope aid in absorbing '(inch)Shock Loads'(inch)?
the core
Notify response team and allow them to rescue.
return fitting
15 Feet

47. A diamond on an instrumentation loop diagram encloses information concerning...
Purge the line when brazing
Snubber
Set point
Bight - running end and standing part

48. What does the term '(inch)never saddle a dead horse'(inch) mean?
1:48 - because 1/4 of an inch is 1/48th of a foot
Ground Fault Circuit Interrupter
Arrange a wire rope clamp so that the dead end has the U bolts
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

49. What is the weakest part of a chain hoist?
lower hook
near the middle of the jaws
9
Increase

50. In a typical residential air conditioning system - the evaporator is of the _______________ type - where the liquid refrigerant should be totally vaporized before it reaches the outlet of the evaporator.
Provide oxygen barrier - stabilize and direct the force of the arc and to gather impurities in the form of slag.
Dry expansion type
Backflow preventer
MAPP - acetylene - and propane