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. When a cranes signaler's hand is pointed up with his finger moving in a circle it means to...






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






3. What are the three types of steam traps?






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






5. What size hole should be cut into a main to saddle IN a smaller pipe?






6. The letters MSDS stand for...






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






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






9. What does the evaporator do?






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






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






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

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13. What type of hanger uses a spring that splits the rod?






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






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






16. A __________ displacement pump discharges a definite quantity of liquid for each cycle.






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






18. The ______ is used to protect the weld puddle from contamination in the SMAW process.






19. The device that controls the pressure in a low pressure steam boiler is called a...






20. The 6G welding position is...






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






22. What are the main differences between soldering and brazing?






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






24. Formula for area of a circle?






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






26. In the cooling cycle - which component throttles the flow of refrigerant?






27. A schematic drawing is...






28. Which of the following types of copper tube has the smallest wall thickness?






29. To sense the temperature remotely from the thermostat location you would use...






30. 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.






31. What is Hydronics?






32. What does GFCI stand for?






33. When should you ream the end of a pipe?






34. What should be done to prepare a flange for the gasket installation?






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






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






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






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






39. To determine the face to center measurement of a long radius 90 degree elbow - multiply the pipe size by...






40. To assemble a 4 bolt flange...






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

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42. What is the minimum safe clearance between cranes and energized power lines operating at 50kV or below?






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






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






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






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






47. A rating of 150# refers to a flange's...






48. What is the specific gravity of water?






49. To view the west elevation the viewer's perspective is from the...






50. Which rigging configuration has the greatest sling strength?