Consider step 2 of the refrigeration cycle. Which of the following statements is the correct description of the physical processes at work?     Question 3 options:   An increase in pressure causes the refrigerant gas to evaporate.   An increase in volume causes the refrigerant gas to evaporate.   A decrease in volume causes the refrigerant liquid to evaporate.   A decrease in pressure causes the refrigerant liquid to evaporate.

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Required information Refrigerant-134a enters the condenser of a steady-flow Carnot refrigerator as a saturated vapor at 65.0 psia, and it leaves with a quality of 0.05. The heat absorption from the refrigerated space takes place at a pressure of 30 psia. Determine the coefficient of performance. (Round the final answer to three decimal places.) The coefficient of performance is

In a vapor-compression refrigeration cycle, 9 kg/min of ammonia exits the evaporator as saturated vapor at-12°C. The refrigerant enters the condenser at 16 bar and 140C, and saturated liquid exits at 16 bar. There is no significant heat transfer between the compressor and its surroundings, and the refrigerant passes through the evaporator with a negligible change in pressure. Determine the refrigerating capacity, in kW. kW %3D Determine the power input to the compressor, in kW. kW %3D