44) What is the purpose of the evaporator temperature sensor in an air conditioning system? A) To measure the temperature of the refrigerant B) To control the compressor operation C) To monitor the room temperature D) To regulate the refrigerant flow 45) What is the function of the sight glass in an air conditioning system? A) To monitor the refrigerant level B) To regulate the compressor C) To control the fan speed D) To measure the room temperature 46) Which component is responsible for removing moisture from the air in an air conditioning system? A) Condenser B) Evaporator C) Dehumidifier D) Expansion valve 47) What is the purpose of the thermal expansion valve in an air conditioning system? A) To cool the refrigerant B) To control the refrigerant flow C) To compress the refrigerant D) To circulate the air 48) What is the primary purpose of the defrost cycle in a heat pump? A) To cool the refrigerant B) To defrost the outdoor coil C) To circulate the air D) To compress the refrigerant 49) Which refrigerant is known for its low global warming potential? A) R-22 B) R-134a C) R-410A D) R-1234yf 50) What is the function of the