608 Type 2 Practice Exam Questions & 100% Perfect Answers 2024

Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; {Ans: a 1}When using a recovery system manufactured after November 15, 1993 on a system containing 100 lbs. of R-502 must be evacuated to; {Ans: 10 inches of Mercury}Refrigerant should be removed from the condenser outlet if the condenser is; {Ans: Below the receiver}When dehydrating a system it should be evacuated to a level of; {Ans: 500 Microns}An overcharged system will operate; {Ans: less efficiently.}Which of the following refrigerants is an HCFC? {Ans: R-22}Air conditioning system short cycling is normally caused by; {Ans: the system being oversized for the home}High pressure appliances can be evacuated to atmospheric pressure (O psig) when; {Ans: There is a leak}What conditions allow for a system to be opened and repaired without recovering the refrigerant to the required vacuum level? {Ans: a system with a large leak and system pressure of atmospheric}Unless plans are made to replace a system exceeding the maximum leak, repairs must be made in; {Ans: 30 days}A new split system should be checked for leaks by; {Ans: pressurizing the system with a few ounces of R-22 and an