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






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






3. To figure the end-to-end measurement of a piece of pipe when the end-to-end center measurement is known the...






4. To stop all crane movement the ______ signal should be used.






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






6. Exits from a trench 150' long and 4' deep must be located within how many feet of a worker in the trench?






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

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






9. One atmosphere is equal to...






10. In a piping installation allowing for expansion in two directions - how should the anchor(s) and guide(s) be positioned relative to each other?






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






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






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






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






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






16. What is the sum of all angles in a triangle?






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






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






19. All of the following are process control elements EXCEPT...






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






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






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






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






24. Steam in contact with the water it has been generated from is known as ________________ steam.






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






26. What is the standard for an electronic signal?






27. .433 psig is equal to how high of a water column?






28. Which is the correct formula for the area of a circle?






29. Which of the following has the largest inside diameter?






30. What are the three types of steam traps?






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






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






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






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

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






36. Which of the following constants are used when working with circles and areas?






37. What type of flame should be used to cut carbon steel?






38. What is typically a final control element?






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






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






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






42. Standard atmospheric pressure at sea level is _____...






43. A gallon of water weighs...






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






45. A schematic drawing is...






46. If a pump is operating under static suction lift conditions - a __________ may be installed in the suction line to avoid losing the pump's prime each time the pump shuts off.






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






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






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






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