EPA 608 - Type III Questions | 2026/2027 | Answers Correct
| With Complete Solutions
a centrifugal chiller's purge unit takes its suction from the top of
the _____________, separates air & other non-condensables
from the refrigerant, & then returns the refrigerant back to the:
Correct Answers condenser / evaporator
a chiller is suspected of tubes leaks, the water sides of the
______________ & ______________ should be drained prior to
recovering the refrigerant Correct Answers evaporator &
condenser
a recovery unit's high-pressure CUT-OUT IS SET FOR ____
PSIG when evacuating the refrigerant from a low-pressure
chiller & a rupture disc on a low-pressure recovery vessel
relieves at ____ psig Correct Answers
a rupture disc (safety device) located on the _____________ of a
low-pressure chiller Correct Answers evaporator
a rupture disc should be piped to the __________ in case of
rupture to ___________ the equipment room filling with
refrigerant Correct Answers outdoors / prevent
a SUBSTANTIAL AMOUNT OF _______ WILL REMAIN in
the appliance after all _________ is removed Correct Answers
vapor / liquid
, adding refrigerant to a system that's ______, retrofitted, or
adjusted for seasonal variance does not need to be accounted for
in the leak-rate calculation Correct Answers new
ALL RECORDS FOR LEAK INSPECTIONS, INITIAL
VERIFICATION, VERIFICATION TESTS, & RECORDS OF
RECOVERED REFRIGERANT FROM EQUIPMENT WITH
___ to ____ lbs OF REFRIGERANT MUST BE KEPT FOR
___ YEARS JUST AS IN TYPE II APPLIANCES Correct
Answers 5 to
ALL refrigeration systems must be protected by a: Correct
Answers pressure relief valve
although a high efficiency purge unit discharges a low
percentage of refrigerant with the air they remove, frequent
purging & subsequent refrigerant loss can indicate: Correct
Answers a leak is allowing air into the system
an appliance may be ______________ if it's ______ _______ &
the leaking section or component is isolated & ___________ of
refrigerant to the ______ required level Correct Answers
mothballed / shut down / evacuated / EPA's
an AVERAGE 350 TON, R-123 CHILLER AT 0 PSIG STILL
CONTAINS APPROXIMATELY ______ LBS of ______
AFTER ALL THE _________ HAS BEEN REMOVED
Correct Answers 100 / vapor / liquid
as of 1/1/18, the sale of _______ & ________ are also restricted
to certified technicians Correct Answers HFCs & HFOs
| With Complete Solutions
a centrifugal chiller's purge unit takes its suction from the top of
the _____________, separates air & other non-condensables
from the refrigerant, & then returns the refrigerant back to the:
Correct Answers condenser / evaporator
a chiller is suspected of tubes leaks, the water sides of the
______________ & ______________ should be drained prior to
recovering the refrigerant Correct Answers evaporator &
condenser
a recovery unit's high-pressure CUT-OUT IS SET FOR ____
PSIG when evacuating the refrigerant from a low-pressure
chiller & a rupture disc on a low-pressure recovery vessel
relieves at ____ psig Correct Answers
a rupture disc (safety device) located on the _____________ of a
low-pressure chiller Correct Answers evaporator
a rupture disc should be piped to the __________ in case of
rupture to ___________ the equipment room filling with
refrigerant Correct Answers outdoors / prevent
a SUBSTANTIAL AMOUNT OF _______ WILL REMAIN in
the appliance after all _________ is removed Correct Answers
vapor / liquid
, adding refrigerant to a system that's ______, retrofitted, or
adjusted for seasonal variance does not need to be accounted for
in the leak-rate calculation Correct Answers new
ALL RECORDS FOR LEAK INSPECTIONS, INITIAL
VERIFICATION, VERIFICATION TESTS, & RECORDS OF
RECOVERED REFRIGERANT FROM EQUIPMENT WITH
___ to ____ lbs OF REFRIGERANT MUST BE KEPT FOR
___ YEARS JUST AS IN TYPE II APPLIANCES Correct
Answers 5 to
ALL refrigeration systems must be protected by a: Correct
Answers pressure relief valve
although a high efficiency purge unit discharges a low
percentage of refrigerant with the air they remove, frequent
purging & subsequent refrigerant loss can indicate: Correct
Answers a leak is allowing air into the system
an appliance may be ______________ if it's ______ _______ &
the leaking section or component is isolated & ___________ of
refrigerant to the ______ required level Correct Answers
mothballed / shut down / evacuated / EPA's
an AVERAGE 350 TON, R-123 CHILLER AT 0 PSIG STILL
CONTAINS APPROXIMATELY ______ LBS of ______
AFTER ALL THE _________ HAS BEEN REMOVED
Correct Answers 100 / vapor / liquid
as of 1/1/18, the sale of _______ & ________ are also restricted
to certified technicians Correct Answers HFCs & HFOs
