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






2. The specific gravity of a liquid can only be measured using the following instrument...






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

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4. A sling is weakest in which position?






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






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






7. The 6G welding position is...






8. One atmosphere is equal to...






9. What is the welding position 2 - on the electrode mean?






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






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






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






13. The treatment of liquids at rest is known as...






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






15. OD for 1/2'(inch)

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16. When leaning a ladder against an object - the ladder should be at an approximate angle of __________ degrees.






17. There are __________ cubic inches in a gallon.






18. You should never blow your clothes off with oxygen because oxygen is a/an






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






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






21. What is the welding position 3 - on the electrode mean?






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






23. Condensate lines should be pitched...






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






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






26. 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.






27. One gallon of water weighs?






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






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






30. A vent is not needed on a condensate receiver when...






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






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






33. There are __________ gallons in a cubic foot.






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






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






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






37. The specific gravity of a gas is relative to the specific weight of _______________ - which has a specific gravity of one.






38. Which of the following is a key element of a comprehensive safety and health program?






39. A thermostatic steam trap that fails in the closed position would cause a heating unit to become...






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






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






42. What is the purpose of the oxygen and acetylene regulators?






43. Why can flux be omitted in a brazed joint?






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






45. If you double pipe size the carrying capacity is increased...






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






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






48. Formula for a cubic foot of an unknown substances weight?






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






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