AC 609 CERTIFICATION UPDATED ACTUAL Questions and CORRECT Answers
For a shop that already does air conditioning service and
wants to start working on HFO-1234yf, they will need:
A HFO-1234yf recovery, recycling and recharging ma-
chine All of the above
The service technicians to be Section 609 certified
A well-ventilated work area
All of the above
Tech A states that an accumulator A/C system may require
additional time and precautions to remove the entire
amount refrigerant. Tech B states that all types of MVAC
systems take the same recovery time. Who's correct?
Tech A
Tech A
Tech B
Both
Neither
HHFC-134a purity standards require R/R/R machines to
remove which of the following contaminants from recov-
ered refrigerant:
Oil All of the above
Moisture
Air
All of the above
Using a refrigerant identifier greatly improves your ability
to determine if you have the right type of refrigerant and
the purity of that refrigerant.
No, it has no advantage
Yes, it allows you to determine the type of refrigerant
No, it allows you to determine if the system is at correct
pressure
No, it's for topping off the system
Yes, it allows you to determine the type of refrigerant
, When should you replace the recycling equipment filter?
Every month of operation
Once every 25 completed jobs According to the manufacturer's specifications
Every 6 months of operation
According to the manufacturer's specifications
To meet the SAE J2791 standard, electronic leak detectors
must have the capability of identifying leakage as low as:
1 oz. per year
0.15 oz. per year
0.5 oz. per year
0.15 oz. per year
2 oz. per year
Which of the following is the LEAST accurate way to charge
an A/C system?
Use the pressure gauges and the evaporator temperature
to evaluate the refrigerant level
Install the amount of refrigerant specified in the vehicle Adding refrigerant until the air is cold out of the vents
factory manual
Adding refrigerant until the air is cold out of the vents
Recover, vacuum, recharge the system to the manufactur-
er's specifications
Two technicians are discussing air in an A/C system. Tech
A says air can lead to poor A/C performance. Tech B says
that air in the refrigerant can make the system run at a
higher pressure. Who's correct?
Both
Tech A
Tech B
Both
Neither
HFO-1234yf recovery systems must have a service valve no
True
further than 12 inches from the vehicle service ports.
2/5
For a shop that already does air conditioning service and
wants to start working on HFO-1234yf, they will need:
A HFO-1234yf recovery, recycling and recharging ma-
chine All of the above
The service technicians to be Section 609 certified
A well-ventilated work area
All of the above
Tech A states that an accumulator A/C system may require
additional time and precautions to remove the entire
amount refrigerant. Tech B states that all types of MVAC
systems take the same recovery time. Who's correct?
Tech A
Tech A
Tech B
Both
Neither
HHFC-134a purity standards require R/R/R machines to
remove which of the following contaminants from recov-
ered refrigerant:
Oil All of the above
Moisture
Air
All of the above
Using a refrigerant identifier greatly improves your ability
to determine if you have the right type of refrigerant and
the purity of that refrigerant.
No, it has no advantage
Yes, it allows you to determine the type of refrigerant
No, it allows you to determine if the system is at correct
pressure
No, it's for topping off the system
Yes, it allows you to determine the type of refrigerant
, When should you replace the recycling equipment filter?
Every month of operation
Once every 25 completed jobs According to the manufacturer's specifications
Every 6 months of operation
According to the manufacturer's specifications
To meet the SAE J2791 standard, electronic leak detectors
must have the capability of identifying leakage as low as:
1 oz. per year
0.15 oz. per year
0.5 oz. per year
0.15 oz. per year
2 oz. per year
Which of the following is the LEAST accurate way to charge
an A/C system?
Use the pressure gauges and the evaporator temperature
to evaluate the refrigerant level
Install the amount of refrigerant specified in the vehicle Adding refrigerant until the air is cold out of the vents
factory manual
Adding refrigerant until the air is cold out of the vents
Recover, vacuum, recharge the system to the manufactur-
er's specifications
Two technicians are discussing air in an A/C system. Tech
A says air can lead to poor A/C performance. Tech B says
that air in the refrigerant can make the system run at a
higher pressure. Who's correct?
Both
Tech A
Tech B
Both
Neither
HFO-1234yf recovery systems must have a service valve no
True
further than 12 inches from the vehicle service ports.
2/5
