Asmooth ceramic sphere (sg 5 2.6) is immersed in a f ow of water at 208c and 25 cm/s. what is the sphere diameter if it is encountering (a) creeping motion, red=1 or (b) transition to turbulence, red=250,000?

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