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. A reciprocating compressor has what sort of moving parts?






2. How is insulation around a duct rated?






3. How will too much refrigerant effect subcooling?






4. How many cfm per ton?






5. How is nominal-sized tubing sized?






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






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






8. What kind of metering device do high-efficiency units usually use?






9. What kind of refrigeratnts must be added in liquid form?






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






11. At what temperature will soft solder melt?






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






13. How do you achieve high-efficiency?






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






15. What are the two types of blower drives?






16. What sort of pressure will a push-through evaporator have?






17. At what temperature will soft solder melt?






18. How many BTU's per ton?






19. What are normal conditions - as defined by the ARI.






20. How do you calculate LRA?






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






22. What is a package unit?






23. Why are some ACR tubing lines insulated?






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






25. How will too much refrigerant effect subcooling?






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






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






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






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






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






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






32. What are the three major power-consuming devices on an air-conditioning system?






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






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






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






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






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






38. Can refrigerant line sets be altered in length?






39. What is the difference between SEER and EER?






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






41. How is ACR tubing sized?






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






43. 9' round duct has a ballpark cfm of what?






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






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






46. What are the three crafts normally associated with an air-conditioned installation?






47. How will too much refrigerant effect superheat?






48. 13 SEER is classified as what kind of efficiency?






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






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







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