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






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






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






4. When ordering ACR copper specify the size by...






5. Why is it necessary to use roller hangers?






6. When lifting objects with sharp edges you should use a...






7. Oil is used on a pipe machine to...






8. A schematic drawing is...






9. OD for 6'(inch)

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






11. The color code for type L copper is...






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






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






14. Momentarily closing the starting switch to check the rotation of the pump is known as __________ the pump.






15. What is the purpose for a weep hole in a saddle pad?






16. What does the crane signal with the index finger pointed forward in a swirling motion signal?






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






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






19. One atmosphere is equal to...






20. The color code for type M copper is...






21. The function of a steam trap is to prevent the flow of ________________ - while allowing condensate and non-condensable gases to pass through.






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






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






24. What is the purpose of the expansion joint in a steam system?






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






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






27. The specific weight of air and water is...






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






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






30. One gallon of water weighs?






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






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






33. What is Hydronics?






34. A system which the refrigerant is in the shell and cools the fluid in the tubes is...






35. Which type of orifice plate is designed to measure flow of liquids containing solids?






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






37. What should the outside attendant do to rescue a worker who shows physiological effects of exposure in a confined space?






38. What is the formula to figure take off on a 45 degree elbow?

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






40. When changing pipe sizes in the horizontal supply or return lines of a two-pipe hot water heating system use...






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






42. What is the standard for an electronic signal?






43. What does a condenser do?






44. A tag line should be used on a crane lift...






45. The face to center measurement of any welded angle fitting equals...






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






47. The best method to ensure that a plastic joint is made properly - you should...






48. What is the expansion and compression of water vapor in a pump?






49. What is typically a final control element?






50. What temperature does water boil at sea level?