Test your basic knowledge |

Residential Air Conditioning

Subjects : engineering, nate
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. What distributes supply air to a room in a structure?






2. The fan switch opens at what temperature?






3. On what terminal do you check amperage?






4. What are the four materials used to make duct?






5. What is a package unit?






6. How will too much refrigerant effect superheat?






7. Multiple-zone systems often use what to alleviate the problem of excess air when only some zones are calling for conditioning?






8. What are the four materials used to make duct?






9. Most duct insulation is made of what?






10. How will too much refrigerant effect subcooling?






11. How is insulation around a duct rated?






12. What do you use to connect square and rectangular ductboard together?






13. How is the high pressure switch wired with the low pressure switch?






14. What are the three ways a motor can fail electrically?






15. What are the two types of package units?






16. How are round ducts supported?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


17. How will too much refrigerant effect subcooling?






18. What do you do after you braze a system?






19. Where do you install a trap on a drain line?






20. When do you install an auxillary drain pan?






21. How is ACR tubing sized?






22. How do you calculate the area of a circle?






23. What tool is used to expand the diameter of soft copper tubing






24. What is the difference between SEER and EER?






25. How do you calculate LRA?






26. Will a dirty condenser cause a rise or fall in pressure?






27. Sections of duct board can be fastened together with what?






28. What type of air conditioning system must be charged using the superheat method?






29. What tool is used to expand the diameter of soft copper tubing






30. How will an overcharge affect an air-conditioning system with a fixed-orifice type metering device?






31. If the rpm's are 1750 - how many poles does the motor have?






32. Does a package unit come from the factory pre-charged?






33. What are the two basic duct connection configurations for package units supply and return air ducts?






34. How does ACR copper pipe come?






35. How will too much refrigerant effect superheat?






36. The load on the evaporater will effect which pressure?






37. If the rpm's are 3450 - how many poles does the motor have?






38. Why are some ACR tubing lines insulated?






39. What are the two functions of the air-conditioning system?






40. What sort of pressure will a pull-through evaporator have?






41. What is the typical pressure differance across a TXV?






42. The fan switch opens at what temperature?






43. If the rpm's are 750 - how many poles does the motor have?






44. How many amps can 12 g wire handle?






45. What standard weight copper tubing is most often used in the heating and air-conditioning industry?






46. 7' round duct has a ballpark cfm of what?






47. 6' round duct has a ballpark cfm of what?






48. What are the two ways that fresh air enters a structure?






49. How is flexible duct supported?






50. What are the two functions of the air-conditioning system?