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. At what temperature will soft solder melt?






2. When do you install an auxillary drain pan?






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






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






5. In what length rolls is soft copper tubing normally available?






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






7. 13 SEER is classified as what kind of efficiency?






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






9. Superheat should never be below how many degrees






10. Can refrigerant line sets be altered in length?






11. How is insulation around a duct rated?






12. If pressure rises - what happens to the superheat?






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






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






15. How many cfm per ton?






16. If the suction pressure rises - what happens to the head pressure?






17. Pressure in ductwork is measured In what?






18. How long should you leave a system off once you kill power before restarting it?






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






20. 9' round duct has a ballpark cfm of what?






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






22. How is ACR tubing sized?






23. How is nominal-sized tubing sized?






24. How are round ducts connected to one another?






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






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






27. The A/C size is calculated by what?






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






29. What are the two types of package units?






30. How is flexible duct supported?






31. What is it called when liquid refrigerant gets into the compressor?






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






33. Do you need a vent on a push-through evaporator?






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






35. Why is it necessary to have multiple refrigerant circuits in some evaporator coils?






36. 8' round duct has a ballpark cfm of what?






37. The furnace size is calculated by what?






38. Which type of wire can handle a higher ampacity?






39. What is used to measure static air pressure in ducts.






40. A reciprocating compressor has what sort of moving parts?






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






42. 9' round duct has a ballpark cfm of what?






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






44. The evaporator is designed to remove what two types of heat?






45. How do you calculate cfm?

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


46. What is the name of the fitting where the branch line leaves the duct?






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






48. The fan switch closes at what temperature?






49. The fan switch closes at what temperature?






50. When must a copper joint never be soldered or brazed?







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