2-B- The steel tube (E=200 GPa) with a 30 the vise on the tube at A and D. (b) The mm outer diameter and a 3-mm thickness is change in length of the portion BC of the tube. placed in a vise. That is adjusted so that its jaws just touch the ends of the tube without exerting any pressure on them. The two forces shown are then applied to the tube. After these forces are applied, the vise is adjusted to decrease the distance between its jaws by 0.2mm. Determine (a) the forces exerted by

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16. There are 4 materials that were exposed to different forces and their corresponding elongation is given. Which will have the greatest and lowest value of k. Material A was exposed to 100 N force and elongation is 0.02 meters. B was exposed to 200 N force and elongation is 0.05 meters. C was exposed to a force of 300 N and elongation is 0.07 meter, D was exposed to 400N force and elongation is 0.09 meter.

The results of a tensile test are: Diameter of the specimen Gauge length Load at limit of Proportionality Extension at the limit of Proportionality Maximum Load : 10mm :40 mm :80kN : 0.06mm. :100 kN Calculate ultimate tensile stress and young's modulus.

15) Hardness is a very important thermal property that can be measured by the Vickers's hardness test. Select one: True False

This subject is strength of materials show complete and clear solution with free body diagram and pressure diagram DONT SHORTCUT THE SOLUTION THANK YOU

Part of the stress-strain diagram where the material stress lies between the proportional limit and the upper yield point

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Question / Calculate the critical design loads applied to the Stirling Engine when in operation and provide a stress analysis on the piston .use a factor of safety of 5. Assume outside temperature (bottom plate) is -233 degC and an internal PC board (top plate) is 85 degC ? Figure 1.1 show measurement to help you

1) Large Deformation Material Properties: During a tensile test using a metal that obeys the power law, the ultimate tensile strength is found to be 350 MPa. Reaching that maximum load required an elongation of 35%. Find K and n, then calculate the percent elongation when the stress is 250, 300, and 400 MPa.