1|Page
EPA 608 Type III 2026/2027 BANK QUESTIONS WITH
DETAILED VERIFIED ANSWERS / EXAM QUESTIONS WILL
COME FROM HERE (100% CORRECT ANSWERS/ A+
GRADED
Identify the pressure corresponding to 32 degrees F for R-123:
________.
a) 23 inches of Hg vacuum
b) 20 inches of Hg vacuum
c) 17 inches of Hg vacuum
d) 11 inches of Hg vacuum - ANSWERS--b) 20 inches of Hg vacuum
A hydrostatic tube test kit is used to: _________.
a) blow all water from the tubes
b) remove any water from the machine
c) vent refrigerant
d) determine if a tube leaks - ANSWERS--d) determine if a tube leaks
,2|Page
Excessive running of a purge system on a low pressure chiller generally
indicates that the: ___________.
a) air sensors are faulty
b) ambient temperature is too high
c) efficiency of the purge unit is too low
d) system is leaking - ANSWERS--d) system is leaking
When recovering vapor from a low pressure refrigeration system:
__________.
a) water pumps should all be on, and the recovery compressor should
be off
b) system water pumps should be on, the recovery compressor should
be on, and the recovery condenser water should be off
c) the systems water pumps, the recovery compressor, and the
recovery condenser water should all be on
d) system water pumps should be off, and the recovery compressor
should be on - ANSWERS--c) the systems water pumps, the recovery
compressor, and the recovery condenser water should all be on
ASHRAE Standard 15 - 1994 requires equipment room refrigerant
sensors for what safety group classifications?
,3|Page
a) A1
b) B2
c) A2
d) All refrigerant safety group classifications. - ANSWERS--d) All
refrigerant safety group classifications
If you are using a recovery machine manufactured BEFORE November
15, 1993, you must evacuate any low-pressure appliance to _______
before making a major repair.
a) 0 psig
b) 15 inches of Hg vacuum
c) 25 inches of Hg vacuum
d) 25mm of Hg absolute - ANSWERS--c) 25 inches of Hg vacuum
A rupture disc on a recovery vessel for low pressure refrigerants
relieves at: ________.
a) 5 psig
b) 10 psig
c) 15 psig
d) 20 psig - ANSWERS--c) 15 psig
, 4|Page
The primary water source for a recovery unit condensing coil is:
_________.
a) chilled water
b) condenser water
c) local municipal water supply
d) de-ionized water - ANSWERS--c) local municipal water supply
Which of the following repairs that would ALWAYS be considered
"major" under EPA's regulations?
a) replacement of an evaporator coil
b) replacement of a filter-drier
c) replacement of a switch
d) replacement of a purge unit - ANSWERS--a) replacement of an
evaporator coil
According to the EPA, there is approximately ________ of refrigerant
vapor left in an average 350 ton R-11 chiller at 0 psig pressure once all
the R-11 liquid has been removed.
a) None.
b) 10 pounds.
EPA 608 Type III 2026/2027 BANK QUESTIONS WITH
DETAILED VERIFIED ANSWERS / EXAM QUESTIONS WILL
COME FROM HERE (100% CORRECT ANSWERS/ A+
GRADED
Identify the pressure corresponding to 32 degrees F for R-123:
________.
a) 23 inches of Hg vacuum
b) 20 inches of Hg vacuum
c) 17 inches of Hg vacuum
d) 11 inches of Hg vacuum - ANSWERS--b) 20 inches of Hg vacuum
A hydrostatic tube test kit is used to: _________.
a) blow all water from the tubes
b) remove any water from the machine
c) vent refrigerant
d) determine if a tube leaks - ANSWERS--d) determine if a tube leaks
,2|Page
Excessive running of a purge system on a low pressure chiller generally
indicates that the: ___________.
a) air sensors are faulty
b) ambient temperature is too high
c) efficiency of the purge unit is too low
d) system is leaking - ANSWERS--d) system is leaking
When recovering vapor from a low pressure refrigeration system:
__________.
a) water pumps should all be on, and the recovery compressor should
be off
b) system water pumps should be on, the recovery compressor should
be on, and the recovery condenser water should be off
c) the systems water pumps, the recovery compressor, and the
recovery condenser water should all be on
d) system water pumps should be off, and the recovery compressor
should be on - ANSWERS--c) the systems water pumps, the recovery
compressor, and the recovery condenser water should all be on
ASHRAE Standard 15 - 1994 requires equipment room refrigerant
sensors for what safety group classifications?
,3|Page
a) A1
b) B2
c) A2
d) All refrigerant safety group classifications. - ANSWERS--d) All
refrigerant safety group classifications
If you are using a recovery machine manufactured BEFORE November
15, 1993, you must evacuate any low-pressure appliance to _______
before making a major repair.
a) 0 psig
b) 15 inches of Hg vacuum
c) 25 inches of Hg vacuum
d) 25mm of Hg absolute - ANSWERS--c) 25 inches of Hg vacuum
A rupture disc on a recovery vessel for low pressure refrigerants
relieves at: ________.
a) 5 psig
b) 10 psig
c) 15 psig
d) 20 psig - ANSWERS--c) 15 psig
, 4|Page
The primary water source for a recovery unit condensing coil is:
_________.
a) chilled water
b) condenser water
c) local municipal water supply
d) de-ionized water - ANSWERS--c) local municipal water supply
Which of the following repairs that would ALWAYS be considered
"major" under EPA's regulations?
a) replacement of an evaporator coil
b) replacement of a filter-drier
c) replacement of a switch
d) replacement of a purge unit - ANSWERS--a) replacement of an
evaporator coil
According to the EPA, there is approximately ________ of refrigerant
vapor left in an average 350 ton R-11 chiller at 0 psig pressure once all
the R-11 liquid has been removed.
a) None.
b) 10 pounds.
