Refrigeration Operating Engineer License Exam
Practice Test Questions with Correct Answers
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Low side
Choose an answer
HCFCs are
1 Oil pressure switch 2 Hydrochlorofluorocarbins and
contain the elements ___.
On a gauge manifold the blue hose
3 Receiver 4
is to be connected to the ___.
Don't know?
, Terms in this set (97)
Oil pressure switch protects the compressor from operating too long
with no or partial lubrication.
Off cycle defrost Used on medium temperature systems for defrost
by the air in the cooler which will be above 32°.
Filter dryer Removes dirt and moisture out of the refrigerator.
Suction accumulator Prevents liquid refrigerant from entering the
compressor.
Receiver Stores unused refrigerant in a system that uses a
metering device that varies the refrigerant flow
with the load.
Two types of defrost used with low Hot gas and electric
temperature fixtures are _____ and _____.
You must evacuate and punch a hole True
in a DOT-39 container before
disposing of it.
By Code, a licensed Refrigeration True
Operating Engineer cannot break
into a freon system in the City of
Seattle.
High temperature refrigeration is 45 degrees F and 60 degrees F
between ___ and ___.
Practice Test Questions with Correct Answers
Pass the Exam, 100% Verified ()
Graded A+
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Low side
Choose an answer
HCFCs are
1 Oil pressure switch 2 Hydrochlorofluorocarbins and
contain the elements ___.
On a gauge manifold the blue hose
3 Receiver 4
is to be connected to the ___.
Don't know?
, Terms in this set (97)
Oil pressure switch protects the compressor from operating too long
with no or partial lubrication.
Off cycle defrost Used on medium temperature systems for defrost
by the air in the cooler which will be above 32°.
Filter dryer Removes dirt and moisture out of the refrigerator.
Suction accumulator Prevents liquid refrigerant from entering the
compressor.
Receiver Stores unused refrigerant in a system that uses a
metering device that varies the refrigerant flow
with the load.
Two types of defrost used with low Hot gas and electric
temperature fixtures are _____ and _____.
You must evacuate and punch a hole True
in a DOT-39 container before
disposing of it.
By Code, a licensed Refrigeration True
Operating Engineer cannot break
into a freon system in the City of
Seattle.
High temperature refrigeration is 45 degrees F and 60 degrees F
between ___ and ___.
