Consider viscous flow over a flat plate of length L. The Reynolds number based on flat plate length is 4 Million. Analytically compute an expression for drag coefficient if transition occurs at Reynolds number based on x Rex equal to 2 Million. Numerically compute the drag coefficient for this case.

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

Agas contained within a piston-cylinder assembly e end nation about same energy states, 1 and 2, where pi 10 bar, v undergoes two processes, a and b, between the sam 0.1 m3, ui-400 kj and p2 1 bar, v2 1.0 m2, u2 200 kj: process a: process from 1 to 2 during which the pressure- volume relation is pv constant process b: constant-volume process from state 1 to a pressure of 2 bar, followed by a linear pressure-volume process to +20 0 state 2 kinetic and potential energy effects can be ignored. for each of the processes a and b, (a) sketch the process on p-v coordinates, (b) evaluate the work, in kj, and (c) evaluate process the heat transfer, in kj

The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal