Q. Find the total area for the two shapes in order to determine how much raw material will be cut away from the surface. Type the correct answer in the box.
sq in

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.

Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis