MACS 609 CERTIFICATION STUDY QUESTIONS |
GUARANTEED ACCURATE ANSWERS |
COMPLETE SOLUTION 2026
100% Correct 63
Incorrect 00
STATUS: PASSED!!
Questions & answers
1 of 63
Term
A/C system service equipment hoses must be equipped with shutoff
valves located within _______ from the "vehicle end" of the hoses.
Give this one a try later!
24 inches 6 inches
, 18 inches 12 inches
Don't know?
2 of 63
Term
Which of the following can result in air-contaminated refrigerant?
Give this one a try later!
Only when the compressor fails Only during the evacuation process
All of the answers are true Only when the system is overcharged
Don't know?
3 of 63
Term
Why is it necessary to ensure that service port caps containing good
seals are installed?
Give this one a try later!
All of the answers are true Possibly none
, To minimize refrigerant loss To enhance system cooling efficiency
Don't know?
4 of 63
Term
Which of the following air conditioning system component(s) must be
approved or certified to SAE J2842 for use in an HFO-1234yf system?
Give this one a try later!
Evaporators Digesters
Dehumidifiers Chillers
Don't know?
5 of 63
Term
The sale of HFC-134a in containers less than two pounds is restricted
to:
Give this one a try later!
, There is no sales restriction
Only certified recycling centers
on HFC-134a in containers less
than two pounds
Only automotive repair shops Only licensed technicians
Don't know?
6 of 63
Term
CFC-12 recovery equipment has SAE 3/8-inch service fittings. HFC-
134a recovery equipment has:
Give this one a try later!
Quick-couple design Tanks marked DOT 4BA
There is no sales restriction on HFC-
134a in containers less than two All of the answers are true
pounds
Don't know?
7 of 63
GUARANTEED ACCURATE ANSWERS |
COMPLETE SOLUTION 2026
100% Correct 63
Incorrect 00
STATUS: PASSED!!
Questions & answers
1 of 63
Term
A/C system service equipment hoses must be equipped with shutoff
valves located within _______ from the "vehicle end" of the hoses.
Give this one a try later!
24 inches 6 inches
, 18 inches 12 inches
Don't know?
2 of 63
Term
Which of the following can result in air-contaminated refrigerant?
Give this one a try later!
Only when the compressor fails Only during the evacuation process
All of the answers are true Only when the system is overcharged
Don't know?
3 of 63
Term
Why is it necessary to ensure that service port caps containing good
seals are installed?
Give this one a try later!
All of the answers are true Possibly none
, To minimize refrigerant loss To enhance system cooling efficiency
Don't know?
4 of 63
Term
Which of the following air conditioning system component(s) must be
approved or certified to SAE J2842 for use in an HFO-1234yf system?
Give this one a try later!
Evaporators Digesters
Dehumidifiers Chillers
Don't know?
5 of 63
Term
The sale of HFC-134a in containers less than two pounds is restricted
to:
Give this one a try later!
, There is no sales restriction
Only certified recycling centers
on HFC-134a in containers less
than two pounds
Only automotive repair shops Only licensed technicians
Don't know?
6 of 63
Term
CFC-12 recovery equipment has SAE 3/8-inch service fittings. HFC-
134a recovery equipment has:
Give this one a try later!
Quick-couple design Tanks marked DOT 4BA
There is no sales restriction on HFC-
134a in containers less than two All of the answers are true
pounds
Don't know?
7 of 63
