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 a condenser do?






2. When should a person designated as an attendant attempt to rescue a worker that is trapped?






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






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






5. The color code for ACR copper is...






6. The weight of 1 cubic foot of water is...






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






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






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






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






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






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






13. Which of the elements of a wire rope aid in absorbing '(inch)Shock Loads'(inch)?






14. OD for 1/2'(inch)

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15. What is on the low side of the vapor compression cycle?






16. Which rigging configuration has the greatest sling strength?






17. A fan coil uses ______ to distribute heating or cooling to the space.






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






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






20. If the travel of a 45 degree offset is known - what formula can be used to find the advance?






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






22. What does the G stand for in the 2G - 5G and 6G weld positions?






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






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






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






26. What type of copper tubing joint requires use of a ferrule?






27. The best knot to use when lifting pipe vertically is the...






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






29. The letters MSDS stand for...






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






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






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






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






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






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






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






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






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






39. 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.






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






41. What does a + plus sign mean?






42. What is the main reason for the taper on a pipe thread?






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






44. What occurs in a flash tank?






45. A sling is weakest in which position?






46. .433 psig is equal to how high of a water column?






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






48. What is Hydronics?






49. Steam supply using parallel flow is...






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