octane boosts make it __ to ignite the gasoline, and oxygenates __ the fuel, Which helps reduce carbon monoxide pollutants by slightly leaning out the air/fuel mixture.

True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure

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?

A)-in the process of engineering design, explain the contribution of material selection. b)- explain the procedure of synthesis as is employed in engineering design. c)- is there any relationship between ergonomics and engineering design? explain. d)- safety consideration in engineering design includes human, product and the enviroment . explain how safety will be incorporated into the design?