EPA Certification Questions With
Revised Correct Answers
BEST UPDATED!!
1) What is the state of the refrigerant leaving the
condenser? - ANSWER High pressure liquid
2) What is the color code of refrigerant gauges? -
ANSWER Low side blue, high side red
3) What is considered recycling? - ANSWER To
remove, filter and reuse refrigerant in a system
4) Refrigerant cylinders should be.... - ANSWER Free
of rust and dents
5) Which leak detector will help locate the general area
of a systems leak? - ANSWER Electronic/Ultrasonic
,6) What makes it impossible to reclaim a refrigerant? -
ANSWER Having 2 different refrigerants in one
container
7) Factors that affect the speed of the evacuation are? -
ANSWER Size of equipment...Ambient
temperature....Amount of the moisture in the system
8) To prevent an explosion, never over fill a refrigerant
cylinder more than... - ANSWER 80% full
9) Refrigerant can cause suffocation because - ANSWER
It is heavier than air and it displaces oxygen
10) The Montreal Protocol is ... - ANSWER A treaty
regulating the production of CFC's
11) What refrigerant is an HCFC? - ANSWER R-22
, 12) What refrigerant is an HFC? - ANSWER R-134a
13) A ternary blend is... - ANSWER A 3 part blend
14) What type of oil does a ternary blend use? - ANSWER
Alkylbenzene
15) What is considered a "System Dependent" passive
recovery? - ANSWER Using the appliance
compressor to remove refrigerant
What is considered a "Self Contained" active recovery -
ANSWER Using an EPA approved recovery machine
A mechanical float device, an electronic shut off device
and weight method are devices used to? - ANSWER
Safely recover refrigerants
A CFC and an HCFC have the same ozone depletion
potential? - ANSWER False
Revised Correct Answers
BEST UPDATED!!
1) What is the state of the refrigerant leaving the
condenser? - ANSWER High pressure liquid
2) What is the color code of refrigerant gauges? -
ANSWER Low side blue, high side red
3) What is considered recycling? - ANSWER To
remove, filter and reuse refrigerant in a system
4) Refrigerant cylinders should be.... - ANSWER Free
of rust and dents
5) Which leak detector will help locate the general area
of a systems leak? - ANSWER Electronic/Ultrasonic
,6) What makes it impossible to reclaim a refrigerant? -
ANSWER Having 2 different refrigerants in one
container
7) Factors that affect the speed of the evacuation are? -
ANSWER Size of equipment...Ambient
temperature....Amount of the moisture in the system
8) To prevent an explosion, never over fill a refrigerant
cylinder more than... - ANSWER 80% full
9) Refrigerant can cause suffocation because - ANSWER
It is heavier than air and it displaces oxygen
10) The Montreal Protocol is ... - ANSWER A treaty
regulating the production of CFC's
11) What refrigerant is an HCFC? - ANSWER R-22
, 12) What refrigerant is an HFC? - ANSWER R-134a
13) A ternary blend is... - ANSWER A 3 part blend
14) What type of oil does a ternary blend use? - ANSWER
Alkylbenzene
15) What is considered a "System Dependent" passive
recovery? - ANSWER Using the appliance
compressor to remove refrigerant
What is considered a "Self Contained" active recovery -
ANSWER Using an EPA approved recovery machine
A mechanical float device, an electronic shut off device
and weight method are devices used to? - ANSWER
Safely recover refrigerants
A CFC and an HCFC have the same ozone depletion
potential? - ANSWER False
