_______ is the process of removing refrigerant in any condition from a system and storing it in an external container without necessarily testing or processing it in any way. - Recovering - ans^
______________refers to the process of cleaning refrigerant by oil separation and single or multiple ...
Epa 608 universal 100% questions and
answers
_______ is the process of removing refrigerant in any condition from a system and storing it in an
external container without necessarily testing or processing it in any way. - Recovering - ans^
______________refers to the process of cleaning refrigerant by oil separation and single or multiple
passes through filter-driers, which reduce moisture and acidity? - Recycling - ans^
_________is the process that returns refrigerant to new-product specifications and that requires
chemical analysis? - Reclaim - ans^
"Self-contained" recovery devices: - can capture liquid and/or vapor refrigerant without the assistance of
components in the air-conditioning or refrigeration equipment. - ans^
A compound pressure gauge, typically used on the low side of the system, measures pressure in: - psig
and inches of mercury - ans^
A cylinder with a gray body and a yellow top indicates that the cylinder is designed to hold: - recovered
refrigerant - ans^
A hermetic compressor must never be operated when: - there is a dehydration vacuum in the system. -
ans^
A refillable refrigerant cylinder must never be filled to more than_________ of its capacity by weight: -
80% - ans^
A system is considered dehydrated when: - - ans^the vacuum indicator shows you have reached and held
the required finished vacuum.
A system is dehydrated to: - remove water and water vapor. - ans^
, A ternary refrigerant blend is a _______ part mixture. - three-part - ans^
According to ASHRAE's 1992 refrigerant safety classification which of the following designations would
be the most safe? - A-1 - ans^
According to EPA regulations, which of the following is procedures is NOT an approved technique for
system cleanup after a burnout? - flushing with liquid refrigerant to clean tubing - ans^
According to the EPA, a_______ leak detection method is considered to be the most effective for locating
the general area of a small leak. - electronic or ultrasonic tester - ans^
According to the EPA, an oil sample should be taken for which of the following reasons? - They system
had a leak or a major component failure. - ans^
According to the EPA, of the refrigerants liked below, which types of refrigerants will not contribute to
Global Warming? - CFCs HCFCs HFCs all contribute to Global Warming - ans^
According to the EPA, when dealing with customer complaints regarding additional costs due to
refrigerant recovery efforts, the technician should: - explain the refrigerant recovery is necessary to
protect human health and the environment; explain that refrigerant recovery is required by the
Federal(and in some cases state and local)laws; inform the customer that professional service personnel
are duty bound to follow the law and to protect the environment - ans^
After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - -
ans^recovery and recycling.
After refrigerant liquid transfer between recovery unit and the system being emptied, you need to avoid
trapping: - liquid refrigerant between service valves. - ans^
All devices used for a refrigerant recovery must: - Meet EPA standards - ans^
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