A specimen of a ceramic material having an elastic modulus of 250 GPa is pulled in tension with a stress of 750 MPa. Will the specimen fail if its ""most severe flaw"" is an internal crack that has a length of 0.20 mm and a tip radius of curvature of 0.001 mm? Why or why not?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

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