SAE 609 QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025, Exams of Refrigeration and Air Conditioning

Download SAE 609 QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025 and more Exams Refrigeration and Air Conditioning in PDF only on Docsity! SAE 609 QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025 The recovery process on an R-12 or R-134a A/C System should continue until a stable vacuum is held by the system for: 2 minutes A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature Technician A says that the refrigerant container should be placed in a cooler storage area before use Technician B says that the vapor in the container should be slowly vented into a refrigerant handling unit who's right Technician B only The ozone layer filters out most of the suns harmful: Ultraviolet radiation the reduction of ozone in the stratosphere could cause: An increase of skin cancer and eye cataracts Technician A says that sunlight striking CFC molecules can cause chlorine to be released Technician B says that chlorine atoms react with ozone to produce chlorine monoxide Who's right Both A and B R 134a refrigerant must be reclaimed to meet which of these purity standards J2099 if the required charge level of refrigerant for MVAC system is 40 ounces which of these is correct charge level measured in pounds 2.50lb (1.13) Technician A says that recovery/ recycling/ recharging equipment for R-1234yf refrigerant requires integration with a refrigerant identifier. Technician B says that recovery/ recycling/ recharging equipment for R-1234yf refrigerant uses a 17.0 mm O.D. quick coupler on the low-side service hose. who's right Technician A only Which of these identifies a cylinder of R-1234yf refrigerant White With red Band Which identifies R-12 refrigerant White Which identifies R-134a Light blue Which identifies R-744 Gray A container of recycled R-134a refrigerant that is being tested for non-condensable gases (air) should be: Stored out of direct sunlight The EPA allows the use of R-134a recovery-one equipment provided that the: Equipment meets J2810 standards Technician A says that it is OKAY to use disposable refrigerant tank to store recycled refrigerant Technician B says that it is OKAY to fill an approved refrigerant tank to 70% of it gross weight rating who's right Neither A or B. Never store in disposable container or fill above 60% of gross weight rating Before a container of stored recycled refrigerant is used, the container must be checked for: Non-condesable gases recovery equipment for R-134a Refrigerant must meet standards set by: SAE Alternative refrigerants use a unique set of service fittings that: Prevent accidental mixing of refrigerants Technician A says that R-744 refrigerant is accepted by the EPA as an alternative for retrofit Technician B says that R-134a refrigerant is accepted by the EPA as an alternative for retrofit whos right Technician B only SAE standard J2099 specifies that the maximum level of non-condensable gases in recycled R- 134a should not exceed: 1.5% by volume When service equipment hoses with manual shutoff valves are not connected to an A/C system, the valves should be in the: Closed position Technician A says that R-1234yf may be used to retrofit an R-134a system Technician B says that R-1234yf is an ozone-depleting gas who is right