Multiple choice A) To control the temperature B) To filter the air C) To circulate the refrigerant D) To compress the refrigerant 10) Which component removes heat from the refrigerant? A) Compressor B) Condenser C) Evaporator D) Expansion valve 11) What type of energy does an air conditioner use to operate? A) Mechanical energy B) Electrical energy C) Thermal energy D) Chemical energy 12) What is the purpose of the evaporator coil? A) To compress the refrigerant B) To cool the air C) To circulate the air D) To remove moisture from the air 13) Which of the following is a benefit of regular maintenance of an air conditioning system? A) Increased energy efficiency B) Extended lifespan of the system C) Improved indoor air quality D) All of the above 14) What does the term "ton" refer to in air conditioning? A) Weight of the air conditioner B) Cooling capacity of the air conditioner C) Size of the air conditioner D) Efficiency rating of the air conditioner 15) Which refrigerant phase change occurs in the evaporator coil? A) Condensation B) Sublimation C) Evaporation D) Fusion 16) What is the primary function of the condenser coil? A) To cool the refrigerant