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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. What type of expansion joint utilizes mechanical movement?






2. A neutral reading on the PH scale is...






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






4. Which of the following methods of access to a scaffold is prohibited?






5. What would be the result of an incorrectly installed orifice plate?






6. Which type of orifice plate is designed to measure flow of liquids containing solids?






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






8. Use of air as a power source is known as...






9. A bushing is NOT a good replacement for a reducer because...






10. What is the purpose of the oxygen and acetylene regulators?






11. The maximum practical suction lift on positive displacement pumps is 22 feet and on centrifugal pumps it is __________ feet.






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






13. One gallon of water weighs?






14. To fabricate a 60 degree elbow from a 90 you would...






15. When a soldered joint is overheated...






16. An oil separator is required on systems using...






17. A gallon of water weighs...






18. When selecting a hanger for a piping system you should consider...






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






20. Standard atmospheric pressure at sea level is _____...






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






22. A simple example of a lever is...






23. Although the model codes usually say the melting point of a brazing alloy must be at least 1000º F - the technical temperature specified by the Copper Development Association and the American Welding Society is __________ degrees Fahrenheit.






24. In one cubic foot there are _________ cubic inches.






25. A tag line should be used on a crane lift...






26. When loosening the bolts on a flange one should...






27. Formula for area of a circle?






28. A cooling tower must have a ________ or be open-site.






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






30. The final step in the galvanizing of pipe is to dip the pipe into a bath of molten _________?






31. Zinc chills or metal fume fever are caused from welding on __________ steel.






32. What should be done first when preparing a copper joint?






33. A schematic drawing is...






34. A rating of 150# refers to a flange's...






35. OD for 1'(inch)

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36. What is the purpose of the expansion joint in a steam system?






37. A sling is weakest in which position?






38. Which way should the bevel face on an orifice plate?






39. Where is a bourdon tube found?






40. A direct acting thermostat is used to...






41. What causes water to move in a Hydronic system?






42. What is not a requirement to size the steam trap on a heating unit?






43. In a refrigeration system a condensable gas is...






44. What is the maximum pressure for an acetylene hose?






45. If you double pipe size the carrying capacity is increased...






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






47. OD for 6'(inch)

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






49. Which of the following types of clamps are used to dampen a pipe's movement?






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







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