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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. What is the formula to calculate thermal expansion?

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2. What is on the low side of the vapor compression cycle?






3. OD for 2'(inch)

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4. OD for 1/2'(inch)

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






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






7. Which of the following is NOT a reason for using cutting oil when threading pipe?






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






9. .433 psig is equal to how high of a water column?






10. What is the minimum thickness for threading PVC pipe?






11. The 6G welding position is...






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






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






14. A condensate receiver is used when...






15. What is the function of the covering on the electrodes during the process of '(inch)Shielded Metal Arc Welding'(inch)?






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






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






18. Steam supply using parallel flow is...






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






20. OD for 4'(inch)

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






22. What has the largest effect on pump alignment?






23. An increase in pressure will cause the boiling point of water to ________...






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






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






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






27. The color code for type '(inch)K'(inch) copper is?






28. What causes pressure drop?






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






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






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






32. What would be the result of an incorrectly installed orifice plate?






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






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






35. The specific weight of mercury is...






36. Why is it necessary to use flux on a soldered joint?






37. What does a + plus sign mean?






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






39. What is the best valve for throttling?






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






41. 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.






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






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






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






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






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






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






48. What type of valve should be used to bypass a control valve?






49. 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.






50. A __________ displacement pump discharges a definite quantity of liquid for each cycle.







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