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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. The last two digits on an E-6010 electrode specify...






2. A diamond on an instrumentation loop diagram encloses information concerning...






3. Where should the high pressure condensate be piped to before entering the receiver?






4. What causes pressure drop?






5. The density of water is...






6. Calculate head pressure in a section of vertical pipe?






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






8. The function of a steam trap is to prevent the flow of ________________ - while allowing condensate and non-condensable gases to pass through.






9. To properly align a flange you must perform what is commonly called a ______ hole...






10. What are 3 fuel gases used for heating pipe or tubing?






11. OD for 3'(inch)

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






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






14. There are __________ gallons in a cubic foot.






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






16. For an extension ladder to be at the correct angle for safe use on a working surface 20ft high. The ladder must be located how many feet away from the base?






17. One foot of water exerts...






18. Where is a bourdon tube found?






19. 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.






20. There are __________ cubic inches in a gallon.






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






22. OD for 8'(inch)

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






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






25. What does the crane signal with the index finger pointed forward in a swirling motion signal?






26. Which of the following has the largest inside diameter?






27. What has the largest effect on pump alignment?






28. One gallon of water occupies how many cubic feet?






29. A thermostatic steam trap that fails in the closed position would cause a heating unit to become...






30. The type of drawing that views a building by looking directly at the front - top and side is referred to as a/an ___________ drawing.






31. 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.






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






33. Steam condensate lines should be installed on...






34. Which of the following is sometimes used as a shielding gas in the GTAW process?






35. What is the purpose for a weep hole in a saddle pad?






36. The change in state from solid to liquid is known as...






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






38. Ladders with visible defects - such as broken rungs - cracked side rails - or broken steps must be...






39. A gallon of water weighs...






40. Momentarily closing the starting switch to check the rotation of the pump is known as __________ the pump.






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






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






43. 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.






44. A sling is weakest in which position?






45. What is the minimum thickness for threading PVC pipe?






46. The pipe size of a pipe changes from the ID to the OD on what pipe size?

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47. The most that a crane should be loaded is...






48. When a pipe size is decreased by half - the carrying capacity of the pipe decreases by...






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






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







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