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RETA CARO Exam Questions With Complete Solutions
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RETA CARO Exam Questions With Complete Solutions Which refrigerant has the highest mass flow requirement at the same evaporator and condensing temperature? ️️CFC-12 which refrigerant is the first to be phased out by Montreal Protocol ️️CFC-12 As the ratio between the evaporator and condensing pressure increases ️️the theoretical discharge temperature increases Under the Montreal Protocol ️️as long as a technician does not perform work on the refrigerant containing portions of a system they do not need to be certified Refrigerant leaks are detected using ️️Either a sulfur stick on ammonia or electronic leak detector for CFCs or HCFCs
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