A refrigerant in the "B" group that is used more than others in its group in refrigeration systems is
a) Propane
b) Ammonia
c) Freon 12
d) Freon 22
e) Methane
Answer: B
A refrigerant in the "B" group that is used more than others in its group in refrigeration systems is
a) Propane
b) Ammonia
c) Freon 12
d) Freon 22
e) Methane
Answer: B