EPA 608 Core Exam-Graded A
all of the above - correct Answers-Refrigeration technicians who violate the clean air act
can:
A. lose their epa certification
B. be fined.
C. be required to appear in federal court
D. all of the above
november 1995 - correct Answers-It has been illegal to vent substitutes for CFC and
HCFC refrigerants since:
R22 - correct Answers-which refrigerant has the lowest odp?
R22, R11, R12, R113
recover - correct Answers-to remove refrigerant in any condition from a system and
store it in an external container without necessarily testing or processing it in any way is
to ________.
no - correct Answers-Does the EPA recognize any refrigerant "drop-in" replacements?
slow - correct Answers-Do low ambient temperatures slow or speed up the process of
refrigerant recovery?
hcfc - correct Answers-Chemical composition of R-124
temperature glide - correct Answers-The term used to describe the fact that a refrigerant
blend has a range of boiling or condensing points at a constant pressure is ________
_________.
CFCs in air samples from the atmosphere - correct Answers-What is the best proof that
there are CFCs in the atmosphere?
Is it the measurement of:
A. CFCs in smog
B. other man-made compounds in air samples from the stratosphere?
C. CFCs in air samples from the atmosphere
all contribute - correct Answers-According to the EPA, which of the following do NOT
contribute to global warming? CFC, HCFC, HFC?
can cause asphyxia - correct Answers-Even though R-22 is considered non-toxic, it:
A. is lighter than air
, B. can cause asphyxia
C. is a class 1 refrigerant
D. can be detected by its color
1995 - correct Answers-CFCs will no longer be manufactured or imported into the U.S.
after what year?
water vapor - correct Answers-A system is dehydrated to remove water and _____
______.
R500 - correct Answers-Which of the following refrigerants contains a CFC: R500,
R410A, R134A, OR R123?
5 - correct Answers-The EPA's definition of a, type 1, small appliance, is a device that
contains a factory charge of _____ lbs or less and is hermetically sealed at the factory.
small appliances - correct Answers-The EPA regulation requires any person who opens
an appliance for maintenance to have at least one self-contained recovery machine
available. The only exception: _____ _____
Phosgene gas - correct Answers-At high temperatures, R-12 and R-22 can decompose
to form: ______ _______.
respirator - correct Answers-The EPA recommends, for safety, goggles when working
with compressed gas, and _________ when working with refrigerant.
critical - correct Answers-When it comes to schrader valves, inspecting, replacing
damaged valves, and capping service ports is considered ______.
electronic ultrasonic - correct Answers-The EPA believes that the most effective leak
detection method is: __________ or ___________.
hfc - correct Answers-The chemical composition of R-134A is:
R410A - correct Answers-An HFC refrigerant considered non-typical because it is a
near azeotropic, can charge either as a liquid or a vapor, and has a 400 series number,
even though it behaves like a 500 series refrigerant is:
cfc - correct Answers-Chemical composition of R-11
cfc - correct Answers-Chemical composition of R-12
cfc - correct Answers-Chemical composition of R-500
hcfc - correct Answers-Chemical composition of R-22
all of the above - correct Answers-Refrigeration technicians who violate the clean air act
can:
A. lose their epa certification
B. be fined.
C. be required to appear in federal court
D. all of the above
november 1995 - correct Answers-It has been illegal to vent substitutes for CFC and
HCFC refrigerants since:
R22 - correct Answers-which refrigerant has the lowest odp?
R22, R11, R12, R113
recover - correct Answers-to remove refrigerant in any condition from a system and
store it in an external container without necessarily testing or processing it in any way is
to ________.
no - correct Answers-Does the EPA recognize any refrigerant "drop-in" replacements?
slow - correct Answers-Do low ambient temperatures slow or speed up the process of
refrigerant recovery?
hcfc - correct Answers-Chemical composition of R-124
temperature glide - correct Answers-The term used to describe the fact that a refrigerant
blend has a range of boiling or condensing points at a constant pressure is ________
_________.
CFCs in air samples from the atmosphere - correct Answers-What is the best proof that
there are CFCs in the atmosphere?
Is it the measurement of:
A. CFCs in smog
B. other man-made compounds in air samples from the stratosphere?
C. CFCs in air samples from the atmosphere
all contribute - correct Answers-According to the EPA, which of the following do NOT
contribute to global warming? CFC, HCFC, HFC?
can cause asphyxia - correct Answers-Even though R-22 is considered non-toxic, it:
A. is lighter than air
, B. can cause asphyxia
C. is a class 1 refrigerant
D. can be detected by its color
1995 - correct Answers-CFCs will no longer be manufactured or imported into the U.S.
after what year?
water vapor - correct Answers-A system is dehydrated to remove water and _____
______.
R500 - correct Answers-Which of the following refrigerants contains a CFC: R500,
R410A, R134A, OR R123?
5 - correct Answers-The EPA's definition of a, type 1, small appliance, is a device that
contains a factory charge of _____ lbs or less and is hermetically sealed at the factory.
small appliances - correct Answers-The EPA regulation requires any person who opens
an appliance for maintenance to have at least one self-contained recovery machine
available. The only exception: _____ _____
Phosgene gas - correct Answers-At high temperatures, R-12 and R-22 can decompose
to form: ______ _______.
respirator - correct Answers-The EPA recommends, for safety, goggles when working
with compressed gas, and _________ when working with refrigerant.
critical - correct Answers-When it comes to schrader valves, inspecting, replacing
damaged valves, and capping service ports is considered ______.
electronic ultrasonic - correct Answers-The EPA believes that the most effective leak
detection method is: __________ or ___________.
hfc - correct Answers-The chemical composition of R-134A is:
R410A - correct Answers-An HFC refrigerant considered non-typical because it is a
near azeotropic, can charge either as a liquid or a vapor, and has a 400 series number,
even though it behaves like a 500 series refrigerant is:
cfc - correct Answers-Chemical composition of R-11
cfc - correct Answers-Chemical composition of R-12
cfc - correct Answers-Chemical composition of R-500
hcfc - correct Answers-Chemical composition of R-22
