EPA Certification (2026) EXAM || MOST RECENT
EXAM 2026 -2027 ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM | JUST RELEASED!!
A low pressure chiller providing comfort cooling that has an
annual leak rate of
___ % of the total charge, must be repaired: -
ANSWER -15%
R-134a us classified as a _____ under ASHRAE 34 standard
safety group: -
ANSWER -
A1
R-123 is classified as a ____ under ASHRAE standard
safety group: -
ANSWER -
B-1
Under ASHRAE standard 15, what refrigerant requires
equipment room
seniors? - ANSWER -
R-123
,Under ASHRAE standard 15, the following refrigerations
require equipment
room oxygen deprivation sensors: -
ANSWER -R-11
R-
12
R-
134a
Low pressure chillers require purge units because: -
ANSWER -they operate
below atmospheric
pressure
they draw non-condesibles through
gaskets and seals
the rupture disk of a low pressure chiller is connected to the: -
ANSWER -Low
side
the purge unit draws from the: - ANSWER -top of the condesor
Before a low pressure appliance is dismantled and salvaged: -
ANSWER -The
refrigerant must be
recovered
Machine room safety standards have been established
by: - ANSWER -
, ASHRAE
15
Refrigerant vapor is charged into a low pressure chiller
initially to prevent: -
ANSWER -water freeze up caused by
system vacuum
If excessive nitrogen pressure is exerted within a low
pressure chiller, what
component would fail: - ANSWER -
Rupture Disk
R-11 and R-123 refrigerants are: - ANSWER -
Oxygen depleting
Heavier than
air
Are class 1 and 2 substances as defined
by the EPA
Which Refrigerants contain the most chlorine? - ANSWER -
CFC's
As of what date did it become unlawful to intentionally
release Class 1 and
Class 2 refrigerants to the atmosphere? - ANSWER -
July 1, 1992
EXAM 2026 -2027 ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM | JUST RELEASED!!
A low pressure chiller providing comfort cooling that has an
annual leak rate of
___ % of the total charge, must be repaired: -
ANSWER -15%
R-134a us classified as a _____ under ASHRAE 34 standard
safety group: -
ANSWER -
A1
R-123 is classified as a ____ under ASHRAE standard
safety group: -
ANSWER -
B-1
Under ASHRAE standard 15, what refrigerant requires
equipment room
seniors? - ANSWER -
R-123
,Under ASHRAE standard 15, the following refrigerations
require equipment
room oxygen deprivation sensors: -
ANSWER -R-11
R-
12
R-
134a
Low pressure chillers require purge units because: -
ANSWER -they operate
below atmospheric
pressure
they draw non-condesibles through
gaskets and seals
the rupture disk of a low pressure chiller is connected to the: -
ANSWER -Low
side
the purge unit draws from the: - ANSWER -top of the condesor
Before a low pressure appliance is dismantled and salvaged: -
ANSWER -The
refrigerant must be
recovered
Machine room safety standards have been established
by: - ANSWER -
, ASHRAE
15
Refrigerant vapor is charged into a low pressure chiller
initially to prevent: -
ANSWER -water freeze up caused by
system vacuum
If excessive nitrogen pressure is exerted within a low
pressure chiller, what
component would fail: - ANSWER -
Rupture Disk
R-11 and R-123 refrigerants are: - ANSWER -
Oxygen depleting
Heavier than
air
Are class 1 and 2 substances as defined
by the EPA
Which Refrigerants contain the most chlorine? - ANSWER -
CFC's
As of what date did it become unlawful to intentionally
release Class 1 and
Class 2 refrigerants to the atmosphere? - ANSWER -
July 1, 1992
