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Low GWP Refrigerant Exam||Verified Questions And
Answers Practice Questions with Solutions Newest |
Already Graded A+||Newest Exam!!!
The minimum concentration of a refrigerant that can
propagate a flame through a consistent mixture of the
refrigerant and air is known as the:
Acute toxicity exposure limit (ATELL).
Immediately dangerous to life or health concentration
(IDLH).
Lower flmmability limit (LFL).
Upper explosive limit (UEL). - Answer-Lower flmmability
limit (LFL).
The first stage of the evacuation process which removes
non-condensables from a system is called:
degassing.
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dehydration.
recovery.
Recycling. - Answer-recovery
Once a flammable refrigerant has been recovered and
stored in a cylinder:
It can be taken a safe distance from the jobsite and vented
to the atmosphere.
It must be placed a safe distance away from the work area
before a system repair or installation is started.
It must be placed in ice to ensure it stays below the
refrigerant's ignition temperature.
It should be returned toa reclamation facility prior to
beginning the installation of new equipment. - Answer-It
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must be placed a safe distance away from the work area
before a system repair or installation is started.
Which of the following refrigerants is exempt from the
EPA's recovery mandate?
R-32
R-290
R-454B
R-1234yf - Answer-R-290
Which one of the following refrigerants is classified as an
A3 refrigerant?
R-32
R-290
R-717
R-1234yf - Answer-R-290
Low GWP Refrigerant Exam||Verified Questions And
Answers Practice Questions with Solutions Newest |
Already Graded A+||Newest Exam!!!
The minimum concentration of a refrigerant that can
propagate a flame through a consistent mixture of the
refrigerant and air is known as the:
Acute toxicity exposure limit (ATELL).
Immediately dangerous to life or health concentration
(IDLH).
Lower flmmability limit (LFL).
Upper explosive limit (UEL). - Answer-Lower flmmability
limit (LFL).
The first stage of the evacuation process which removes
non-condensables from a system is called:
degassing.
,2|Page
dehydration.
recovery.
Recycling. - Answer-recovery
Once a flammable refrigerant has been recovered and
stored in a cylinder:
It can be taken a safe distance from the jobsite and vented
to the atmosphere.
It must be placed a safe distance away from the work area
before a system repair or installation is started.
It must be placed in ice to ensure it stays below the
refrigerant's ignition temperature.
It should be returned toa reclamation facility prior to
beginning the installation of new equipment. - Answer-It
, 3|Page
must be placed a safe distance away from the work area
before a system repair or installation is started.
Which of the following refrigerants is exempt from the
EPA's recovery mandate?
R-32
R-290
R-454B
R-1234yf - Answer-R-290
Which one of the following refrigerants is classified as an
A3 refrigerant?
R-32
R-290
R-717
R-1234yf - Answer-R-290
