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03301 Refrigerants and Oils: Module 3 Exam Questions and Answers Graded A+

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03301 Refrigerants and Oils: Module 3 Exam Questions and Answers Graded A+

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03301 Refrigerants and Oils: Module 3
Exam Questions and Answers Graded A+

Steel and aluminum piping materials are required for use with_? - Correct answer-

Ammonia

What characteristic must a refrigerant have to be used as a drop-in replacement for

another refrigerant? - Correct answer-Similar operating pressures and temperatures

HFO-1234yf is noteworthy because it_ - Correct answer-Is mildly flammable

Which refrigerant will no longer be manufactured beyond 2020? - Correct answer-

HCFC-22

Which substance is not found in CFC refrigerants? - Correct answer-Hydrogen

Which group of refrigerant is used in blends to enhance oil return, usually at 3% or

less of the blend? - Correct answer-HC refrigerants

Which of the following refrigerants has the lowest ozone depletion potential? -

Correct answer-HFC-134a




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