RETA CARO EXAM AND PRACTICE EXAM
NEWEST 2024 ACTUAL EXAM COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
Which refrigerant has the highest mass flow requirement at the same evaporator and condensing
temperature? - ANSWERS,CFC-12
which refrigerant is the first to be phased out by Montreal Protocol - ANSWERS,CFC-12
As the ratio between the evaporator and condensing pressure increases - ANSWERS,the
theoretical discharge temperature increases
Under the Montreal Protocol - ANSWERS,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 - ANSWERS,Either a sulfur stick on ammonia or
electronic leak detector for CFCs or HCFCs
the primary reason for concern about CFC-12 concentration in an engine room is -
ANSWERS,oxygen deprivation
the published lower explosive limit for ammonia is - ANSWERS,16%
NEWEST 2024 ACTUAL EXAM COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
Which refrigerant has the highest mass flow requirement at the same evaporator and condensing
temperature? - ANSWERS,CFC-12
which refrigerant is the first to be phased out by Montreal Protocol - ANSWERS,CFC-12
As the ratio between the evaporator and condensing pressure increases - ANSWERS,the
theoretical discharge temperature increases
Under the Montreal Protocol - ANSWERS,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 - ANSWERS,Either a sulfur stick on ammonia or
electronic leak detector for CFCs or HCFCs
the primary reason for concern about CFC-12 concentration in an engine room is -
ANSWERS,oxygen deprivation
the published lower explosive limit for ammonia is - ANSWERS,16%
