Willis Haviland Carrier, an engineering graduate from the Cornell University, ……………. (was / were / have been) the first to invent an air conditioning system. He …………….. (build / built / was building) the first machine in 1902. Any system that ……………… (lowers / lowered / lower) temperature works in a similar fashion.

An ‘air conditioner’ is an electrical device or appliance that ……………….. (cools / cool / cooled) down or removes the heat from the air in an enclosed space by utilizing a refrigeration cycle. The air conditioning system ……………………. (is made / has made / have made) up of a compressor, a condenser, an evaporator, refrigeration lines and a couple of sensors. The compressor is the heart of your a/c system which …………………….. (take / takes / have taken) the refrigerant (the gas) and pressurizes it so it will cool the air. It’s run by an engine belt.

Answers

Willis Haviland Carrier, an engineering graduate from the Cornell University was the first to invent an air conditioning system. He built the first machine in 1902. Any system that lowers temperature works in a similar fashion.

An ‘air conditioner’ is an electrical device or appliance that cools down or removes the heat from the air in an enclosed space by utilizing a refrigeration cycle. The air conditioning system is made up of a compressor, a condenser, an evaporator, refrigeration lines and a couple of sensors. The compressor is the heart of your a/c system which takes the refrigerant (the gas) and pressurizes it so it will cool the air. It’s run by an engine belt.