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- Q1a) A sample of an aluminum alloy has a tensile strength of 275 MPa, What will be the maximum force that can be withstood by a rod of that alloy with a cross-sectional area of 2.09 cm2?Both yield strength and ultimate tensile strength exhibit the ability of a material to withstand a certain level of load. Which parameter do you prefer to use as a design parameter for a proper selection of materials for structural applications? ExplainDo most materials exhibit both ductile and Brittle behavior?
- What is the Relationship between modulus of elasticity and bulk modulus ?Note: Kindly give me both right answers. A) Did the ductile materials (annealed and aluminium) react differently to the two different testing methods (hardness test vs. tensile test)? What does this say about the behaviour of ductile materials in compression vs. tension? B) Did the brittle material (quenched) react differently to the two different testing methods (hardness test vs. tensile test)? What does this say about the behaviour of brittle materials in compression vs. tension? (Three to five sentence answers are good)(engineering material)a) Compression tests are generally performed on brittle materials-why?b) How a cast iron specimen fails under compression load?c) Define secant modulus?