Explain in detail what is the Feed and the Product streams for Mechanical Draft Cooling Tower

List seven advantages that an aluminum parallel- flow,plate/fin evaporator has over a standard round, coppertubeplate/fin evaporator.

In membrane processes the _____ ____ mode of operation has the feed water flowing tangentially to the membrane, and the resulting shear force of the fluid velocity helps minimize accumulation of particulate matter on the surface of the membrane.  Enter two words, lower case, separated by one space.