20mm Square plate is subjected normal stresses as illustrated. Modulus of Elasticity, E = 890 MPa and Poisson's ratio is 0.35. If the initial thickness of the plate is 5mm. Determine the actual change of volume in final plate. Provide the answer in mm³ a with two decimal points of accuracy. σ = 80 MPa 20 mm Answer: D 20 mm B σ = 160 MPa C

Q: a-c

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Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.