37) What is the function of the accumulator in an air conditioning system? A) To store excess refrigerant B) To cool the refrigerant C) To compress the refrigerant D) To circulate the air 38) Which refrigerant is known for its ozone-depleting potential? A) R-134a B) R-410A C) R-22 D) R-1234yf 39) What is the purpose of the air return in an air conditioning system? A) To cool the refrigerant B) To circulate the air C) To compress the refrigerant D) To filter the air 40) Which component controls the on/off cycling of the compressor in an air conditioning system? A) Thermostat B) Expansion valve C) Condenser D) Evaporator 41) What is the primary purpose of the air conditioner's refrigeration cycle? A) To cool the air B) To circulate the refrigerant C) To control the temperature D) To compress the refrigerant 42) What does the term "HSPF" stand for? A) Heating Seasonal Performance Factor B) High-Speed Performance Factor C) Heat Source Performance Factor D) Humidity Sensing Performance Factor 43) Which refrigerant is a hydrofluorocarbon (HFC)? A) R-22 B) R-134a C) R-12 D) R-410A 44) What is the purpose of the evaporator temperature sensor in an air conditioning system? A) To measure