Is is a multi-part question. once an answer is submitted, you will be unable to return to this part. refrigerant-134a enters a 28-cm-diameter pipe steadily at 200 kpa and 20°c with a velocity of 4.8 m/s. the refrigerant gains heat as it flows and leaves the pipe at 180 kpa and 40°c. the specific volumes of r-134a at the inlet and exit are 0.1142 m3/kg and 0.1374 m3/kg.