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Answer : 1 210 kN/mm2 Explanation : Answer: A) 210 kN/mm2 Explanation: It is useful to have a property of a material that is independent of the size of the sample and can be use to compare its elastic properties with another - this is called the Modulus of Elasticity for the material.The modulus of elasticity is defined as: Modulus of elasticity = Stress / Strain There are three types of moduli. They are :(a) the Young Modulus - tensile and compression longitudinal stress(b) the shear modulus - a shearing stress(c) the bulk modulus - volume changes of the specimen.

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