Saturated Refrigerant 134a Vapor at 40°C Is Condensed as It

Multiple Choice

Saturated refrigerant 134a vapor at 40°C is condensed as it flows through a tube at a rate of 0.2 kg/s. The condensate leaves the tube as saturated liquid at 40°C. The rate of heat transfer from the tube is

A) 21.0 kJ/s
B) 53.4 kJ/s
C) 162 kJ/s
D) 74.4 kJ/s
E) 32.4 kJ/s