Consider a Refrigerator That Operates on the Vapor Compression Refrigeration

Multiple Choice

Consider a refrigerator that operates on the vapor compression refrigeration cycle with R-134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 140 kPa, and exits at 900 kPa and 70°C, and leaves the condenser as saturated liquid at 900 kPa. The coefficient of performance of this refrigerator is

A) 0.67
B) 1.0
C) 3.6
D) 2.1
E) 3.1