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1. In regards to eutectic alloys, what does the term ‘‘modification'' mean? How does it help properties of the alloy?
2. For the Pb-Sn system, explain why the tensile strength is maximum at the eutectic composition.
3. Does the shape of the proeutectic phase have an effect on the strength of eutectic alloys? Explain.
Water at a local bulk temperature of 10o C flows through a 3-cm-ID pipe at 1 m/s. The pipe walls are kept at 70o C and the flow is fully developed. Evaluate h and the local value of / b dT dx . The relative roughness of the pipe is 0.001.
Determine the distance travel by carriage during time T seconds - Determine the angular velocity and angular acceleration of link BC and CD - Determine the reaction exerted by the ground on the pairs of wheel.
A 1.2-lb metal bar initially at 2100oR is removed from an oven and quenched by immersing it in a closed tank containing 28 lb of water initially at 620oR. Each substance can be modeled as incompressible.
How do you determine which terms to eliminate in the Navier-Stokes equation for fluid mechanics?
cooling water enters a cooling tower at a rate of 1000 kgh and 70 degree c. water is pumped from the base of the lower
The net power output of the overall power system.
an automobile tire with a volume of 0.5m3 is inflated to a gage pressure of 200 kpa. calculate the mass of air in the
what is the maximum speed of the star S2
Calculate the time evolution for a population of burning particles. Assume that the surface area burning rate, f, is 0.5 mm2 /min. Assume a diameter interval Di = 0.2 mm centered around the following diameters di with specified fuel feed rate dist..
Do some research on what takt time is and then determine takt time from the information below. In your assignment submission please make sure you define takt time.
a gas contained in a cylinder goes through 2 processes in series. first from 1 to 2 is constant pressure compression 50
By what percent does the stress increase or decrease if the thickness of the strip is increased by 1/32 in.?
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