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. Which of the elements of a wire rope aid in absorbing '(inch)Shock Loads'(inch)?






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






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






4. A triple-duty valve is installed...






5. How often should the atmosphere be tested in a confined space?






6. What causes water hammer?






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






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






9. Which one of the following alloys does not require flux when brazing copper to copper joints?






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






11. What would be the result of an incorrectly installed orifice plate?






12. What size hole should be cut into a main to saddle ON a smaller pipe?






13. The pipe that connects the steam header to the boiler return connection is the...






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






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






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






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






18. A condensate receiver is used when...






19. The leading cause of on-the-job deaths in the construction industry is _______________.






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

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21. The device that controls the pressure in a low pressure steam boiler is called a...






22. Which way should the bevel face on an orifice plate?






23. When should you ream the end of a pipe?






24. OD for 6'(inch)

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






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






27. In one cubic foot there are _________ cubic inches.






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






29. Where should the pressure enter a globe valve?






30. What is Hydronics?






31. What does a condenser do?






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






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






34. The main cause of undercutting is...






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






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






37. Before attaching regulators to an oxygen cylinder...






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






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






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






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






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






43. One gallon of water occupies how many cubic feet?






44. Capillary action is used in...






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






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






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






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






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






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