Technician a says that R-744 refrigerant is accepted by the EPA as an alternative for retrofit. Technician b says that R-134a refrigerant is accepted by the EPA as an alternative for retrofit. Who is right?
A) A only
B) B only
C) Both A and B
D) Neither A or B
Answer : B) B only
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What will be an ideal response?
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A) Usually B) Almost never C) Almost always D) None of the above
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Fixtures guide the cutting tool.
Answer the following statement true (T) or false (F)
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