Refrigeration Operating Engineer License Exam Practice
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Practice questions for this set
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An AXV system responds to an undercharge by low suction pressure and bubbles in the
___.
Choose an answer
1 Filter drier 2 Sight glass
3 Expansion valve 4 Liquid line
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 temperature fixtures Hot gas and electric
are _____ and _____.
You must evacuate and punch a hole in a DOT-39 True
container before disposing of it.
By Code, a licensed Refrigeration Operating Engineer True
cannot break into a freon system in the City of Seattle.
High temperature refrigeration is between ___ and ___. 45 degrees F and 60 degrees F
Low temperature refrigeration is between ___ and ___. -20 degrees F and 5 degrees F
Medium temperature refrigeration is between ___ and ___. 30 degrees F and 45 degrees F
The average coil to air temperature relationship of the 15 degrees F differences leaving air and boiling refrigerant temperature.
evaporators is ___.
HCFCs are Hydrochlorofluorocarbins and contain the Hydrogen, chlorine, fluorine.
elements ___.
HFCs are Hydrofluorocargons and contain the Hydrogen, fluorine and carbon.
elements ___.
Ozone Depletion Potential A measurement of CFCs and HCFCs ability to destroy ozone.
White colored cylinder is used for ___. R-12 refrigerant
Silver colored cylinder is used for ___. R-717 refrigerant
Test Questions with Correct Answers Pass the Exam, 100%
Verified () Graded A+
Leave the first rating
Save
Students also studied
Flashcard sets Study guides
refrigeration practice test CWB Level 2 Closed Book Air brake ASE Die
50 terms Teacher 25 terms Teacher 18 terms Te
john_eric Preview Cliff_Rosasi7 Preview ppedronetoocfc Preview
Practice questions for this set
Learn 1 /7 Study with Learn
An AXV system responds to an undercharge by low suction pressure and bubbles in the
___.
Choose an answer
1 Filter drier 2 Sight glass
3 Expansion valve 4 Liquid line
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 temperature fixtures Hot gas and electric
are _____ and _____.
You must evacuate and punch a hole in a DOT-39 True
container before disposing of it.
By Code, a licensed Refrigeration Operating Engineer True
cannot break into a freon system in the City of Seattle.
High temperature refrigeration is between ___ and ___. 45 degrees F and 60 degrees F
Low temperature refrigeration is between ___ and ___. -20 degrees F and 5 degrees F
Medium temperature refrigeration is between ___ and ___. 30 degrees F and 45 degrees F
The average coil to air temperature relationship of the 15 degrees F differences leaving air and boiling refrigerant temperature.
evaporators is ___.
HCFCs are Hydrochlorofluorocarbins and contain the Hydrogen, chlorine, fluorine.
elements ___.
HFCs are Hydrofluorocargons and contain the Hydrogen, fluorine and carbon.
elements ___.
Ozone Depletion Potential A measurement of CFCs and HCFCs ability to destroy ozone.
White colored cylinder is used for ___. R-12 refrigerant
Silver colored cylinder is used for ___. R-717 refrigerant
