Question: Saturated vapor R-134a leaves the evaporator in a heat pump system at 10C, with a steady mass flow rate of 0.1 kg/s. What is the

Saturated vapor R-134a leaves the evaporator in a heat pump system at 10°C, with a steady mass flow rate of 0.1 kg/s. What is the smallest diameter tubing that can be used at this location if the velocity of the refrigerant is not to exceed 7 m/s?

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