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 are the three ways a motor can fail electrically?






2. What component changes refrigerant from a low pressure gas to a high pressure gas?






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






4. What percentage silver do you need to use for an are-410 system?






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






6. What can cause a decrease in suction pressure on an air-conditioning system?






7. What are the components of a hard-start kit?






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






9. How many amps can 8 g wire handle?






10. How do you calculate ballpark superheat?






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






12. What kind of copper tubing is used for plumbing and heating applications?






13. What is the design boiling point for most evaporator coils in residential air conditioning?






14. How is flexible duct supported?






15. How do you calculate ballpark superheat?






16. The fan switch closes at what temperature?






17. What gauge is thermostat wire?






18. How do you achieve high-efficiency?






19. How does ACR copper pipe come?






20. At what temperature will soft solder melt?






21. How do you calculate EER?






22. At what temperature does refrigerant condense in a standard-efficiency unit?






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






24. Where do you check the amps on a motor?






25. Do you need a trap on a push-through evaporator?






26. What distributes supply air to a room in a structure?






27. 10' round duct has a ballpark cfm of what?






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






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






30. Can refrigerant line sets be altered in length?






31. What percentage silver do you need to use for an are-410 system?






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






33. How much superheat do you need to prevent liquid refrigerant from entering the compressor?






34. How is insulation around a duct rated?






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






36. How will too much refrigerant effect subcooling?






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






38. What is a package unit?






39. What is the normal evaporator temperature?






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






41. How many amps can 12 g wire handle?






42. What are the two types of blower drives?






43. How are the high pressure switch and the low pressure switch wired with the compressor contactor?






44. Do you need a trap on a push-through evaporator?






45. When do you install an auxillary drain pan?






46. What are the three pressures created by moving air in ductwork?






47. How much does a drain line need to drop per foot of length?

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


48. What is the range for normal superheat and subcooling?






49. 9' round duct has a ballpark cfm of what?






50. When do you install a trap on a drain line?







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:



Major Subjects



Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Most popular tests