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1.Would you expect a crystalline ceramic material to strain harden at room temperature? Why or why not?
2.When making hardness measurements, what will be the effect of making an indentation very close to a preexisting indentation? Why?
3.On the basis of melting temperature, oxidation resistance, yield strength, and degree of brittleness, discuss whether it would be advisable to hot work or to cold work (a) aluminum alloys, and (b) magnesium alloys
4.Briefly explain why a proeutectoid phase (ferrite or cementite) forms along austenite grain boundaries.
A freeway on a level terrain carries a volume of 4500 veh/hr onfour 11-foot lanes in one direction. the vehicle mix is 75%passenger cars, 10% trucks, 10% buses and 5% recreational vehicles.lateral obstructions are located at a distance of 5 ft on the..
what is a dummy activity and slack activity and also what are slack variables in linear programming constraints equation
Water flows at 0.32 m^3/s through a 600-mm-diameter pipeline with a head loss of 0.0029 m/m. Find the value of the Hazen Williams coefficient.
A gunite concrete trapezoidal channel (n = 0.019) with 1:2 side slopes, as ilustrated below, conveys 60 m3/s on a slope of 0.0005. Compute the depth of flow.
a lower tank contains water while an upper tank contains air with a negligible concentration of water vapor. a tube
Ethyl acetate is made from acetic acid and ethyl alcohol. Let x = pounds of acetic acid input, y=pounds of ethyl acohol input, and z = pounds of ethyl acetate output. The relationship of output to input is: z^2/(1.47x - z)(1.91y - z) = 3.9.
Modeling the skydiver as a particle and assuming that the skydiver follows a perfectly vertical trajectory, determine the average force exerted by the parachute from the moment of deployment until landing.
Compare the stoichiometric air/fule ratios (AFR) for complete combustion of Benzene (C6 H6), Octane (C8 H8), and Ethanol (C2 H5 OH) in air (O2 + 3.76 N2). The only products should be CO2, H2O and N2.
The viscosity of a fluid can be measured in an experiment by dropping a small ball into a calibrated tube containing the fluid and observing the random variable X, the time it takes for the ball to drop the measured distance.
What is the Federal Express philosophy toward quality? What specific elements/actions has FedEx implemented in its quality improvement history?
a rectangular beam made using concrete with fc 6000 psi and steel with fy60000 psi has a width b 20 in. the concrete
A horizontal curve was designed for a four-lane highway for adequate SSD. Lane widths are 12 feet, and the superelevation is 0.06 and was set assuming maximum fx.
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