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1. A copper-antimony alloy containing 95 weight% antimony is allowed to cool from 650°C to room temperature. Describe the different phase changes which take place as the alloy is cooled and make labelled sketches of the microstructure to illustrate your answer.
2. Sketch a graph of temperature against time for a copper-antimony alloy containing 95 weight% antimony over the range 650C to 500C and account for the shape of your plot.
What are the micro structural changes that occur in a metal during strain-hardening and annealing? In these processes, how are the yield strength and ductility affected?
the inclined leg differential manometer as shown in figure 1 below shows a reading along the inclined leg mercury
Calculate the ratio bK/bj for a steel for which Kic = 250 MPa ,
The bracket is subjected to the force of 3 kip. Determine the principal stress and maximum in-plane shear stress at point A on the cross section at section a-a . Specify the orientation of this state of stress and show the results on elements.
As a design engineer you are responsible for all the drawing documentation from your organisation. What are the key aspects of the drawing you need to check before sending it to the construction division?
In absorption refrigeration cycles, why is the fluid in the absorber cooled and the fluid in the generator heated?
Input parameters for the function should be the lower and upper bounds of the root. Obtain reasonable values for the lower and upper bounds by graphing the function in Excel. Turn in your code for the VBA function.
Project title - Planning & design of precast/prefabrication factory for structural member - You need to make a latch rive for given title.
A flat rectangular metal plate measures 17.63 + and - 0.02 inches by 26.85 + and - 0.04 inches. A circular hole of diameter 11.42 + and - 0.03 inches is cut out of the plate.
Calculate the critical volume then estimate the green time interval for each phase of the intersection using the data provided below. Assume that the intersection will operate as a simple two phase cycle with a 90 second cycle length.
If the flow through the nozzle is reversible and adiabatic, determine the velocity and kinetic energy per kilogram of water leaving the nozzle.
A building is expected to increase the vertical stress at the center of a 2-m-thick clay layer by 100 kPa. If mv is 4 × 10-4 m2 /kN, calculate the primary consolidation settlement.
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