Air enters a diffuser operating at steady state at 540°r, 15 lbf/in.2, with a velocity of 600 ft/s, and exits with a velocity of 60 ft/s. the ratio of the exit area to the inlet area is 10. assuming the ideal gas model for the air and ignoring heat transfer, determine the temperature, in °r, and pressure, in lbf/in.2, at the exit.

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

Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.

What is creep? what is stress relaxation?