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. A condensate receiver is used when...






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






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






4. To determine the travel for a 45 degree rolling offset you would...






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






6. The type of drawing that most closely resembles an object as the eye would see it is referred to as a/an __________ drawing.






7. One gallon of water weighs?






8. What type of expansion joint does NOT utilize mechanical movement?






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






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






11. Capillary action is used in...






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






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






14. What is the maximum pressure for an acetylene hose?






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






16. Which way should the bevel face on an orifice plate?






17. What is installed after the isolation valve and before the trap union on a standard trap assembly?






18. Steam condensate lines should be installed on...






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






20. Which of the following is NOT acceptable as part of a personal fall arrest system?






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






22. 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...






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






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






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. Why is it necessary to use roller hangers?






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






29. When using a cable come-a-long - what safety device will indicate overloading?






30. How much heat is required to raise 1/2 pound of water 1 degree F?






31. A triple-duty valve is installed...






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






33. For an extension ladder to be at the correct angle for safe use on a working surface 20ft high. The ladder must be located how many feet away from the base?






34. How far should a copper tube be inserted into a cup for a brazed joint?






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






36. What is the welding position 1 - on the electrode mean?






37. An abrasive wheel should never run faster than it...






38. If a horizontal pipe connecting to the suction side of a pump requires a reducer - it should be connected with...






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






40. What is typically a final control element?






41. What type of expansion joint utilizes mechanical movement?






42. How much does 1 cubic foot of air weigh?






43. What causes pressure drop?






44. When gripping a pipe with a pipe wrench - the wrench should be adjusted so the pipe is...






45. The sum of atmospheric and gauge pressure is known as __________ pressure.






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






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






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






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






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