Technician A says to use a 1" drive on sockets from 1/4" to 9/16". Technician B says to use a 3/8" drive on these socket sizes. Who is correct?

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

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