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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 purpose of the foot switch on a power-operated pipe cutting and threading machine is to?

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2. 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?






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






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






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






6. Which of the following methods of access to a scaffold is prohibited?






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






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






9. What occurs in a flash tank?






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






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






12. The control point adjustment on a receiver is used to change the _______________.






13. OSHA was enacted to...






14. An exit from a trench should be no more than...

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15. Annealing copper...






16. The only entity that has the responsibility and authority to appoint the competent person is...






17. In a typical residential air conditioning system - the evaporator is of the _______________ type - where the liquid refrigerant should be totally vaporized before it reaches the outlet of the evaporator.






18. When a soldered joint is overheated...






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






20. What does a condenser do?






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






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






23. What causes pressure drop?






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






25. What should be done to prepare a flange for the gasket installation?






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






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






28. 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.






29. One gallon of water occupies how many cubic feet?






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






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






32. Soldered joints should never be used on systems above...






33. The color code for DWV copper is...






34. A sling is weakest in which position?






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






36. One gallon of water weighs?






37. What are the main differences between soldering and brazing?






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






39. The density of water is...






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






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






42. The treatment of liquids in motion is known as...






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






44. The anode rod used in a hot water heater to protect it from corrosion is made of...






45. Steam supply using parallel flow is...






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






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






48. OD for 5'(inch)

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






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







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