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. The color code for ACR copper is...






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






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






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






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






6. What is the formula to calculate thermal expansion?

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7. Since _______________ is virtually incompressible - pressure has little effect on its volume.






8. A sling is weakest in which position?






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






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






11. What is the best valve for throttling?






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






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






14. When brazing for medical gas or refrigeration always...






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






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






17. The specific weight of mercury is...






18. Name the three methods of transferring heat.






19. The only entity that has the responsibility and authority to appoint the competent person is...






20. When a soldered joint is overheated...






21. An abrasive wheel should never run faster than it...






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






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






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






25. Soldered joints should never be used on systems above...






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






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






28. What are the three rope parts used in tying knots and hitches?






29. Which of the following is a key element of a comprehensive safety and health program?






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






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






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






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






34. The 6G welding position is...






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






36. The letters MSDS stand for...






37. In a Hydronic heating system - units at the top of the system not heating are likely to be...






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






39. OSHA was enacted to...






40. The sum of atmospheric and gauge pressure is known as __________ pressure.






41. To assemble a 4 bolt flange...






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






43. What is typically a final control element?






44. The anode rod used in a hot water heater to protect it from corrosion is made of...






45. What type of copper is recommended for refrigeration?






46. With a high pressure valve you should never _____ under pressure.






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






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






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






50. 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.