A saturated liquid–vapor H₂O mixture enters a 25-mm-inner-diameter tube at a temperature of 490 K with a quality of 0.95. The mixture is heated as it travels through the tube and exits at 620 K and 2MPa. The average velocity of the fluid exiting the tube is 17 m/s. Show the entering and exit states on a T–v diagram. Before you perform any numerical calculations, consider whether you expect the velocity at the entrance to be greater than, less than, or the same as the exit velocity. Determine the average velocity of the liquid–vapor mixture at the tube entrance.