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






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






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






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






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






6. OD for 1'(inch)

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7. The combining of more than one metal is...






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






9. OD for 5'(inch)

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10. There are __________ gallons in a cubic foot.






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






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






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






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






15. Which rigging configuration has the greatest sling strength?






16. With a high pressure valve you should never _____ under pressure.






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






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






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






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






21. A guard rail system must withstand a minimum force of __________ pounds.






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






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






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






25. How many 2'(inch) pipes can be supplied from a 6'(inch) header?






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






27. A neutral reading on the PH scale is...






28. A Hartford loop is used for...






29. A simple example of a lever is...






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






31. Use of air as a power source is known as...






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






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






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






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






36. One cubic foot of water weighs?






37. What do the first two digits mean in E7018 electrodes?






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






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






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






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






42. To assemble a 4 bolt flange...






43. What is typically a final control element?






44. Which one of the following measures and takes action?






45. Name the three methods of transferring heat.






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






47. OD for 2'(inch)

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48. On a centrifugal pump what is rotated by the motor?






49. A tag line should be used on a crane lift...






50. To order a reducing tee you should specify the size by...