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. What does the term '(inch)never saddle a dead horse'(inch) mean?






2. The treatment of liquids at rest is known as...






3. Steam supply using parallel flow is...






4. Annealing copper...






5. The smallest nominal size DWV copper tube is...

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6. If a horizontal pipe connecting to the suction side of a pump requires a reducer - it should be connected with...






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






8. .433 psig is equal to how high of a water column?






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






10. A vertical line in an isometric drawing represents...






11. To order a reducing tee you should specify the size by...






12. What is the best gasket to use on a flanged joint on medium pressure steam?






13. What is the standard for an electronic signal?






14. 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...






15. To assemble a 4 bolt flange...






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






17. Why is it necessary to use flux on a soldered joint?






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






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






20. OD for 3'(inch)

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






22. When arranging weld coupons for testing position 6G...






23. On a centrifugal pump what is rotated by the motor?






24. In a piping installation allowing for expansion in two directions - how should the anchor(s) and guide(s) be positioned relative to each other?






25. The color code for type '(inch)K'(inch) copper is?






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






27. What is the expansion and compression of water vapor in a pump?






28. The centerline of piping in a horizontal plane on an isometric drawing is most generally drawn at __________ degrees from the horizontal.






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






30. When using a cable come-a-long - what safety device will indicate overloading?






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






32. What does GFCI stand for?






33. One atmosphere is equal to...






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






35. Horizontal steam supply piping should be reduced in size by using...






36. The symbol for pi is equivalent to...






37. An exit from a trench should be no more than...

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

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






40. Which of the following is NOT a reason for using cutting oil when threading pipe?






41. What is the formula to calculate thermal expansion?

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42. The change in state from a liquid to gas is known as...






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






44. Factors in considering the site selection for a new cooling tower.






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






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






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

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48. One pound of water pressure is equal to...






49. What type of copper is recommended for refrigeration?






50. A triple-duty valve is installed...