A. James Watt
B. Nikola Tesla
C. Willis Carrier
D. Rudolf Diesel
Explanation: Willis Carrier designed a modern electrical air-conditioning system in 1902, originally to control temperature and humidity in a printing plant.
A. James Watt
B. Nikola Tesla
C. Willis Carrier
D. Rudolf Diesel
Explanation: Willis Carrier designed a modern electrical air-conditioning system in 1902, originally to control temperature and humidity in a printing plant.