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






2. An ejector pump is typically used to pump __________.






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






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






5. Zinc chills or metal fume fever are caused from welding on __________ steel.






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

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7. What is Hydronics?






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






9. What type of copper is recommended for refrigeration?






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






11. What is the formula to calculate thermal expansion?

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12. What is used to soften PVC and remove the gloss?






13. What is the minimum safe clearance between cranes and energized power lines operating at 50kV or below?






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






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






16. Ladders with visible defects - such as broken rungs - cracked side rails - or broken steps must be...






17. The symbol for pi is equivalent to...






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






19. What does the stamp Oxy-Med stand for on copper tubing?






20. Formula for a cubic foot of an unknown substances weight?






21. What instrument is best for measuring vacuum?






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






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






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






25. What should be done first when preparing a copper joint?






26. The smallest nominal size DWV copper tube is...

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27. What does a condenser do?






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






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






30. What type of expansion joint utilizes mechanical movement?






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






32. What is the best valve for throttling?






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






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






35. The change in state from solid to liquid is known as...






36. What has the largest effect on pump alignment?






37. 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...






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






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






40. The maximum practical suction lift on positive displacement pumps is 22 feet and on centrifugal pumps it is __________ feet.






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






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






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






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






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






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






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






48. Which of the following is the decimal equivalent of 5/8'(inch)






49. A schematic drawing is...






50. Guides are used near...