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 dielectric fitting should be used on...






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






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






4. One gallon of water weighs?






5. To determine the travel for a 45 degree rolling offset you would...






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






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






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






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






10. What is capillary action?






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






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






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






14. Standard atmospheric pressure at sea level is _____...






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






16. Where should the pressure enter a globe valve?






17. What are the three types of steam traps?






18. If a pump is operating under static suction lift conditions - a __________ may be installed in the suction line to avoid losing the pump's prime each time the pump shuts off.






19. All of the following are process control elements EXCEPT...






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






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






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






23. One cubic foot of water weighs?






24. What type of hanger uses a spring that splits the rod?






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






26. Formula for area of a circle?






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






28. 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.






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






30. What temperature does water boil at sea level?






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






32. What is the function of the covering on the electrodes during the process of '(inch)Shielded Metal Arc Welding'(inch)?






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






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

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35. Exits from a trench 150' long and 4' deep must be located within how many feet of a worker in the trench?






36. The anode rod used in a hot water heater to protect it from corrosion is made of...






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






38. What is installed after the isolation valve and before the trap union on a standard trap assembly?






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

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40. One foot of water exerts...






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






42. A sling is weakest in which position?






43. When lifting objects with sharp edges you should use a...






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






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






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






47. What is the purpose for a weep hole in a saddle pad?






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






49. What has the largest effect on pump alignment?






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