for high-volume production runs, machining parts from solid material might not be the best choice of manufacturing operations because

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

Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.

When subject to a steady load (within elastic range) over a long period of time, what is the major difference in material behavoir between steel and plastic?