Asteel band blade, that was originally straight, passes
over8-in.-diameter pulleys when mounted on a band saw. determine
themaximum stress in the blade, knowing that it is 0.018 in. thick
and0.625 in. wide. use e = 29 x 106 psi.

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.

On a average work day more than work place firs are reorted

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false