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 are the main differences between soldering and brazing?






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






3. Where is a bourdon tube found?






4. Steam supply using parallel flow is...






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






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






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






8. What is used to soften PVC and remove the gloss?






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






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






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






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






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






14. The pipe that connects the steam header to the boiler return connection is the...






15. Which rigging configuration has the greatest sling strength?






16. What effect does the fill pressure (static) have on a closed loop plumbing system?






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

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18. OD for 3'(inch)

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19. Which one of the following measures and takes action?






20. A condensate receiver is used when...






21. The main cause of undercutting is...






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






23. The treatment of liquids in motion is known as...






24. Why is it necessary to use roller hangers?






25. The density of water is...






26. The color code for type K copper is...






27. An up-feed steam heating system has the heating units...






28. What is the standard pressure range for a pneumatic signal?






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






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






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






32. 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...






33. An increase in pressure will cause the boiling point of water to ________...






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






35. What is the welding position 1 - on the electrode mean?






36. A valve on the suction side of the pump should be...






37. A dielectric fitting should be used on...






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






39. What does GFCI stand for?






40. A _______________ reamer should NOT be used with power operated pipe threading equipment






41. What causes pressure drop?






42. What is the formula to figure the area of a circle?






43. What causes water hammer?






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






45. What occurs in a flash tank?






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






47. When gripping a pipe with a pipe wrench - the wrench should be adjusted so the pipe is...






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






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






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