beam is required to carry a uniform dead load of 3.4 kip/ft plus its self-weight, and a concentrated dead load of 12 kips and a concentrated live load of 20 kips, both at the center of a 40 ft span. For bending only, determine the least-weight W-shape to carry the load. Consider only the limit state of yielding and use A992 steel. Design by (a) LRFD and (b) ASD.

The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.

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.