152. A 75 hp motor that has an efficiency of 91% is worn out and is replaced by a high-efficiency
motor that has an efficiency of 95.4%. Determine the reduction in heat gain of the room due to
higher efficiency under full-load conditions.
A. 2.24 kW B. 2.44 kW
C. 2.64 kW D. 2.84 kW
B. 2.44 kW