The axial load at the proportional limit of a 0.505-in.-diameter bar was 4900 lb. If a 2-in. gauge length on the bar has increased by 0.0032 in. at the proportional limit, find: a. the stress at the proportional limit, b. the strain at the proportional limit, and c. the elastic modulus.

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

How much power could a wind turbine produce if it had the following specifications? cp = 0.45 -d=1.2kg/m3 d=50m v 5m/s

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.