Given the following Grammar and the right sentential form draw a parse tree and show the phrases, simple phrases and handle. S → AbB | bAcA → Ab | aBBB → Ac | cBb | ca) baabccBbc b) ccBbc c)baBcBbbc

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

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

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?