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






2. The 6G welding position is...






3. The density of 1 cubic inch of Mercury is...






4. What type of Copper tubing is not identified by color on the tubing itself?






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






6. There are __________ gallons in a cubic foot.






7. What does the G stand for in the 2G - 5G and 6G weld positions?






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






9. If the travel of a 45 degree offset is known - what formula can be used to find the advance?






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






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






12. To figure the end-to-end measurement of a piece of pipe when the end-to-end center measurement is known the...






13. What effect does the fill pressure (static) have on a closed loop plumbing system?






14. Which rigging configuration has the greatest sling strength?






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






16. The specific weight of mercury is...






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






18. To determine the set on a 45 degree offset you would multiply the travel by...






19. What causes water hammer?






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






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






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






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






24. What is the standard for an electronic signal?






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






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






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






28. When a pipe size is decreased by half - the carrying capacity of the pipe decreases by...






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






30. The ______ is used to protect the weld puddle from contamination in the SMAW process.






31. When a loop is needed at any point between ends of a rope - the proper knot to tie is the...






32. OD for 4'(inch)

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






34. Although the model codes usually say the melting point of a brazing alloy must be at least 1000º F - the technical temperature specified by the Copper Development Association and the American Welding Society is __________ degrees Fahrenheit.






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






36. How do you determine gear ratios?

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37. What is not a requirement to size the steam trap on a heating unit?






38. What causes water to move in a Hydronic system?






39. OD for 5'(inch)

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

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41. There are __________ cubic inches in a gallon.






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






43. An up-feed steam heating system has the heating units...






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






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






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






47. The letters MSDS stand for...






48. The pressure exerted by a liquid at rest is...






49. To assemble a 4 bolt flange...






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







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