For flow over a plate, the variation of velocity with vertical distance y from the plate is given as u (y) = ay - by2 where a and b are constants. Choose the correct relation for the wall shear stress in terms of a, b, and μ.

The benefit of using the generalized enthalpy departure chart prepared by using PR and TR as the parameters instead of P and T is that the single chart can be used for all gases instead of a single particular gas. a. True b. False

Considering your experimental results on cathodic protection and that the Stratton should have been operating with an impressed current cathodic system, create a hypotehsis for what you think occurred that caused the Stratton to undergo corrosion

You have a harddrive with 8GB of data stored on it, and the files are fragmented. The average size of a file is 16KB.

5. Steel balls 50 mm in diameter are annealed by heating to 1200 K and then slowly cooling to 450 K in an air environment for which the ambient temperature is 300 K and h = 20 W/m2 ·K.

Consider a new peer Alice that joins BitTorrent without possessing any chunks. Without any chunks, she cannot become a top-four uploader for any of the other peers, since she has nothing to upload. How then will Alice get her first chunk?

Work done by a system during a process can be considered as a property of the system. a) True b) False

When the compression process is non-quasi-equilibrium, the molecules before the piston face cannot escape fast enough, forming a high-pressure region in front of the piston. It takes more work to move the piston against this high-pressure region.

hypothetical A-B alloy of composition 40 wt% B-60 wt% A at some temperature is found to consist of mass fractions of 0.66 and 0.34 for the α and β phases, respectively.

10. Which of these requires a wheel alignment after replacement? A. Struts B. Shocks C. Both

What is the definition of diameter pitch?