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 instrument is best for measuring vacuum?






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






3. A mixing valve has ___ inlets and ___ outlets.






4. A rating of 300# refers to a flange's...






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






6. In a refrigeration system a condensable gas is...






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






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

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9. The combining of more than one metal is...






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






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






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






13. How high must you extend a ladder above the roof or deck?

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14. Calculate head pressure of a vertical pipe at specific elevations.






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






16. Where should the high pressure condensate be piped to before entering the receiver?






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






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






19. The amount of heat necessary bring about a change of state from solid to liquid or liquid to gas is known as _______________ heat.






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






21. Where should the pressure enter a globe valve?






22. A single line drawing of a piping system represents the...






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






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






25. To assemble a 4 bolt flange...






26. If the architectural scale is 1/4'(inch) equals 1 foot - the ratio would be...






27. What type of sensor is directly in the process stream?






28. When is it safe to remove the old packing from a valve that is under pressure?






29. OD for 1/2'(inch)

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30. A bushing is NOT a good replacement for a reducer because...






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






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






33. What causes pressure drop?






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






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






36. There are __________ cubic inches in a gallon.






37. 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...






38. Which rigging configuration has the greatest sling strength?






39. A sling is weakest in which position?






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






41. Zinc chills or metal fume fever are caused from welding on __________ steel.






42. When a soldered joint is overheated...






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






44. A guard rail system must withstand a minimum force of __________ pounds.






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






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






47. When a flux joint is overheated it will not...






48. OD for 3'(inch)

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






50. One foot of water exerts...