SAE 609 EXAM WITH QUESTION & CORRECT
ANSWERS GRADED A+
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: - ANSWER-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 - ANSWER-Technician B only
The ozone layer filters out most of the suns harmful: - ANSWER-Ultraviolet
radiation
the reduction of ozone in the stratosphere could cause: - ANSWER-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 - ANSWER-Both A and B
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R 134a refrigerant must be reclaimed to meet which of these purity standards -
ANSWER-J2099
if the required charge level of refrigerant for MVAC system is 40 ounces which of these is correct charge level measured in pounds - ANSWER-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 - ANSWER-Technician A only
Which of these identifies a cylinder of R-1234yf refrigerant - ANSWER-White With red Band
Which identifies R-12 refrigerant - ANSWER-White
Which identifies R-134a - ANSWER-Light blue
Which identifies R-744 - ANSWER-Gray
A container of recycled R-134a refrigerant that is being tested for non-condensable
gases (air) should be: - ANSWER-Stored out of direct sunlight
The EPA allows the use of R-134a recovery-one equipment provided that the: -
ANSWER-Equipment meets J2810 standards
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