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. How do you calculate ballpark superheat?






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






3. How is ACR tubing sized?






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






5. How are round ducts connected to one another?






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






7. How are high-efficiency condenser coils different from standard-efficiency condenser coils?






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






9. How are round ducts supported?

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


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






11. At what temperature does refrigerant condense in a high-efficiency unit?






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






13. What is considered normal operating conditions?






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






15. Superheat should never be below how many degrees






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






17. When do you install an auxillary drain pan?






18. 13 SEER is classified as what kind of efficiency?






19. What is the typical temperature difference between a standard-efficiency condenser and the ambient temperature?






20. Where do you apply flux when soldering?






21. Can refrigerant line sets be altered in length?






22. The compressor is cooled by liquid refrigerant. (True of False)






23. How will too much refrigerant effect subcooling?






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






25. What do you use to check for leaks?






26. If the rpm's are 1050 - how many poles does the motor have?






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






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






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






30. Square sheet metal duct is normally fabricated in a sheet metal shop and assembled in the field. (True or False)






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






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






33. The crankcase heater on an air-conditioning compressor is used to what?






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






35. The furnace size is calculated by what?






36. What is the normal evaporator temperature?






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






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






39. What is the normal evaporator temperature?






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






41. What are the two types of package units?






42. The fan switch opens at what temperature?






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






44. 7' round duct has a ballpark cfm of what?






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






46. The refrigerant within the evaporator will typically boil at what temperature when it is 75 degrees inside with a relative humidity of 50%?






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






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






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






50. What do you use to check for leaks?







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