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






2. When loosening the bolts on a flange one should...






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






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






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






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






7. In a piping installation allowing for expansion in two directions - how should the anchor(s) and guide(s) be positioned relative to each other?






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






9. What does GFCI stand for?






10. What is the formula to figure the area of a circle?






11. What is capillary action?






12. Momentarily closing the starting switch to check the rotation of the pump is known as __________ the pump.






13. A system which the refrigerant is in the shell and cools the fluid in the tubes is...






14. The color code for type M copper is...






15. To raise the boom of a crane you would...






16. The proper way to extinguish a fire is to...






17. How high must you extend a ladder above the roof or deck?

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18. 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...






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






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






21. Why can flux be omitted in a brazed joint?






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






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






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






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






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






27. What type of copper tubing joint requires use of a ferrule?






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






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






30. A gallon of water weighs...






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






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






33. Which component in a closed control loop is the primary element?






34. The most that a crane should be loaded is...






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






36. A condensate receiver is used when...






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






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






39. What are the three types of steam traps?






40. There are __________ cubic inches in a gallon.






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






42. What is the maximum pressure for an acetylene hose?






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






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






45. .433 psig is equal to how high of a water column?






46. What is the expansion and compression of water vapor in a pump?






47. The color code for ACR copper is...






48. Which of the following is a key element of a comprehensive safety and health program?






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






50. Factors in considering the site selection for a new cooling tower.