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Mechanical Engineering Engineering Materials Difficulty: Medium

Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? The following element can't impart high strength at elevated temperature Cores are used to A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be Expansion ratio is the ratio of