At a given point in the high-speed flow over an airplane wing, the local Machnumber, static pressure, and static temperature are 0.7, 0.9 atm, and 250 K, respectively. Calculate the total pressure, total temperature at this point.

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

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way

What is the major difference between thermoplastics and thermosetting plastics from the polymerization structure point of view?