Two couples act on the beam. determinet the magnitude of f
sothat the resultant couple moment os 450 lb * ft,
counterclockwise. where on the beam does the resultant couple moment
act?

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

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero

What is creep? what is stress relaxation?