Select the proper size steel tube for a flow rate of 19 gpm and an operating pressure of 1550 psi. the maximum recommended velocity is 15 ft/min and the tube material is sae 1010 dead soft cold-drawn steel having a tensile strength of 95,000.

Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent