Test your basic knowledge |

Plumbing Certification

Subject : certifications
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. Where should the pressure enter a globe valve?






2. The density of 1 cubic inch of Mercury is...






3. A float and thermostatic trap is a...






4. What type of valve should be used to bypass a control valve?






5. A sling is weakest in which position?






6. When ordering ACR copper specify the size by...






7. When a soldered joint is overheated...






8. What do the first two digits mean in E7018 electrodes?






9. The color code for DWV copper is...






10. A device that mechanically attaches to the side of a flange on a beam is called a...






11. What type of sensor is directly in the process stream?






12. A concentric reducer could be used to connect to a horizontal pump _______________ line.






13. What type of expansion joint utilizes mechanical movement?






14. The specific gravity of a gas is relative to the specific weight of _______________ - which has a specific gravity of one.






15. The leading cause of on-the-job deaths in the construction industry is _______________.






16. The face to center measurement of any welded angle fitting equals...






17. A mixing valve has ___ inlets and ___ outlets.






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

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19. Which one of the following alloys does not require flux when brazing copper to copper joints?






20. The pipe fitting that makes a 180 degree turn is called a/an?






21. To determine the travel for a 45 degree rolling offset you would...






22. What type of expansion joint does NOT utilize mechanical movement?






23. To determine the set on a 45 degree offset you would multiply the travel by...






24. Which is the correct formula for the area of a circle?






25. When a loop is needed at any point between ends of a rope - the proper knot to tie is the...






26. How much does 1 cubic foot of air weigh?






27. Which of the following is NOT acceptable as part of a personal fall arrest system?






28. The last digit on a welding electrode refers to the __________ of the electrode.






29. What does a condenser do?






30. When a liquid changes immediately to a vapor it is called...






31. What does the stamp Oxy-Med stand for on copper tubing?






32. How far should a copper tube be inserted into a cup for a brazed joint?






33. When changing pipe sizes in the horizontal supply or return lines of a two-pipe hot water heating system use...






34. How often should the atmosphere be tested in a confined space?






35. The specific gravity of a liquid can only be measured using the following instrument...






36. What size hole should be cut into a main to saddle ON a smaller pipe?






37. What type of copper tubing joint requires use of a ferrule?






38. Steam condensate lines should use...






39. Oil is used on a pipe machine to...






40. When a flux joint is overheated it will not...






41. The best method to ensure that a plastic joint is made properly - you should...






42. An ejector pump is typically used to pump __________.






43. Which of the following is NOT a reason to use stud bolts instead of machine bolts for bolting flanged piping joints?






44. What does GFCI stand for?






45. What has the largest effect on pump alignment?






46. OD for 8'(inch)

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47. Which of the elements of a wire rope aid in absorbing '(inch)Shock Loads'(inch)?






48. To figure the end-to-end measurement of a piece of pipe when the end-to-end center measurement is known the...






49. The amount of heat it takes to raise one pound of water one degree Fahrenheit is known as a...






50. What is the welding position 3 - on the electrode mean?