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1. Determine the drag force imparted to the top surface of the flat plate of Example 6.4 for water temperatures of 300 K and 350 K. Assume the plate dimension in the z-direction is W = 1 m.
2. For flow over a flat plate with an extremely rough sur- face, convection heat transfer effects are known to be correlated by the expression of Problem 6.32. For airflow at 50 m/s, what is the surface shear stress at x = 1m from the leading edge of the plate? Assume the air to be at a temperature of 300 K.
Describe the theory used for the IZOD test and what units are used to report toughness? Explain the change in magnetic properties when steel is heated. Is this due to allotropic properties?
a 14 scale model of a tractor trailer is tested in a wind tunnel under standard sea level conditions. the model
Determine the stress matrix components and epsilon_zz for known epsilon_xx, epsilon_xy, epsilon_yy for a) plane stress and b) plane strain condition incorporating thermal strains.
steam enters the first stage turbine at 40 bar and 500c with a volumetric flow rate of 90 m3min. steam exits the
a three-point bending test is performed on a glass specimen having a rectangular cross section of height d 5 mm 0.2
a heavily insulated piston-cylinder device contains 0.05 m3 of steam at 300 kpa and 150 degrees celcius. steam is now
a diagnostic test is designed to detect a cancer precursor enzyme that exists in 1 of every 1000 people. the test
Determine the adiabatic flame temperature for constant pressure combustion of a stoichiometric propane air mixture assuming reactants at 298 k . No dissociation of the products and constant specific heats evaluated at 298 k.
two tanks containing air are connected via a valve. the first tank is 0.5 m3 and contains air at t 25 oc and p 500
if ice homogeneously nucleates at -40 degrees c calculate the critical radius values of 3.1 x 108 jm3 respectively for
a 12-in. length of aluminum tubing with properties of e 10.4 times 106 psi and alpha 12 times 10 -6 per degree
estimate the diameter of an aluminum atom given that the density is 2.7 gramscubic centimeter and the atomic mass is
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