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. The specific weight of mercury is...






2. If you double pipe size the carrying capacity is increased...






3. Steam supply using parallel flow is...






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






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






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






7. There are __________ cubic inches in a gallon.






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






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






10. To view the west elevation the viewer's perspective is from the...






11. If the architectural scale is 1/4'(inch) equals 1 foot - the ratio would be...






12. A vent is not needed on a condensate receiver when...






13. A sling is weakest in which position?






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






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






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






17. 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.






18. What is the sum of all angles in a triangle?






19. The main cause of undercutting is...






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






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






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






23. What does GFCI stand for?






24. One foot of water exerts...






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






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






27. What is the weakest part of a chain hoist?






28. The centerline of piping in a horizontal plane on an isometric drawing is most generally drawn at __________ degrees from the horizontal.






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






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






31. 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.






32. A single line drawing of a piping system represents the...






33. Name the three methods of transferring heat.






34. The density of water is...






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






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






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






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






39. OD for 8'(inch)

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






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






42. A gallon of water weighs...






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






44. What does a condenser do?






45. OSHA was enacted to...






46. When a soldered joint is overheated...






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






48. When a liquid changes immediately to a vapor it is called...






49. What is the welding position 2 - on the electrode mean?






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