CORE
PRACTICE TEST 1
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LET’S PRACTICE!
Manifold gauge sets are usually color coded. When this is so, the high pressure gauge is
Deselect Answer
yellow.
green.
blue.
red.
None
Which of the following refrigerants is an HCFC?
Deselect Answer
R-134a
R-410a
R-124
R-12
None
Which of the following refrigerants is an HCFC?
Deselect Answer
R-12
R-134a
R-123
R-410a
None
Research and data show that chlorine in the stratosphere mainly comes from man-made CFC’s rather than natural sources such as volcanoes because
Deselect Answer
air samples taken from the stratosphere over erupting volcanoes show that volcanoes contribute a small quantity of chlorine to the stratosphere when compared to CFCs.
All the above
the rise in the amount of chlorine in the stratosphere matches the rise in CFC emissions.
the rise in the amount of chlorine in the stratosphere matches the rise in the amount of fluorine, which has different natural sources than chlorine.
None
The EPA can require a technician to demonstrate the abilities to perform proper procedures for recovering and/or recycling refrigerant. Failure to demonstrate competency can result in
Deselect Answer
seizure of the technicians recovery/recycling equipment.
mandatory attendance at refrigeration training boot camp where they will have to run in place for 8 hours/day while holding a manifold gauge set over their head.
revocation of the technicians certification.
seizure of any refrigerant purchased by the technician that they still are in possession of.
None
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