answers already passed
Ozone - correct answer ✔✔What is the name for the chemical O3 ?
Global warming potential - correct answer ✔✔Carbon Dioxide gas is used as the baseline
measurement for determining _________________.
R-134a - correct answer ✔✔What refrigerant is not an HFO or HFC/HFO zeotropic blend ?
Low toxicity, mild flammability - correct answer ✔✔What does the ASHRAE 34 safety group
designation A2L mean ?
R-11 - correct answer ✔✔What refrigerant is phased out because it depletes the ozone level in
the atmosphere ?
R-410a - correct answer ✔✔What refrigerant is phased out because it has a large global
warming potential ?
The Montreal Protocol - correct answer ✔✔Which of the following is an international treaty
that addresses ozone-depleting substance and their alternatives ?
$44,539 - correct answer ✔✔How much is the maximum daily fine per violation for a technician
who violates the clean air act ?
, Request a new EPA 608 card if it is lost, comply with future changes in the EPA Section 608,
recover refrigerants. - correct answer ✔✔It's the responsibility of a technician who is EPA
section 608 certified to do which of the following :
illegal - correct answer ✔✔Knowingly releasing CFC, HCFC, or, HFC refrigerants during the
maintenance, repair or disposal of appliances is _______________.
R-1234yf - correct answer ✔✔What refrigerant should always be charged as a liquid ?
500 microns - correct answer ✔✔What is the minimum vacuum level for a system that is being
repaired ?
Restore - correct answer ✔✔What is NOT one of the three R's ?
It's ready to be charged - correct answer ✔✔Which of the following is true for the system that
has been repaired and holds a vacuum ?
On all new HVAC recycle and recovery equipment - correct answer ✔✔Where is an EPA-
approved certification label required ?
To increase the accuracy of the gauge readings. - correct answer ✔✔Why is it recommended
that the micron gauge be as far from the vacuum pump as possible ?
B-3 - correct answer ✔✔According to the ASHRAE refrigerant safety classification, which would
be the most dangerous refrigerant type to work with ?
Alcohol - correct answer ✔✔Which of the following could be used to remove ice from the site
glass ?