Consider a heat pump that operates on the vapor compression refrigeration cycle with R-134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 180 kPa, and exits at 900 kPa and 40°C, and leaves the condenser as saturated liquid at 900 kPa. The coefficient of performance of this heat pump is a. 5.51 b. 4.58 c. 3.61 d. 4.06 e. 2.87

Consider a heat pump that operates on the vapor compression refrigeration cycle with R-134a as the working fluid. The refrigerant enters the compressor as saturated vapor at 180 kPa, and exits at 900 kPa and 40°C, and leaves the condenser as saturated liquid at 900 kPa. The coefficient of performance of this heat pump is a. 5.51 b. 4.58 c. 3.61 d. 4.06 e. 2.87

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter28: Special Refrigeration Applications

Section: Chapter Questions

Problem 15RQ: Why is two-stage compression popular for extra-low-temperature refrigeration systems?

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