Awide and thin specimen of pmma has a 15 mm (0.59 in.) long through crack with a 1.5 mm (0.059 in.) long craze at each crack tip. if the applied stress is 3.5 mpa (508 psi), calculate the crazing stress in this material.

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

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way

The higher the astm grain size number, the finer the gran is. a)-true b)-false