Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.5 3 2.8 2.5 3.5 3 2.8 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design For longitudinal joint in boilers, the type of joint used is Butt joint with double cover plate Butt joint with single cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with double cover plate Butt joint with single cover plate Lap joint with one ring overlapping the other Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Machine Design For circumferential joint in boilers, the type of joint used is Butt joint with double cover plate Butt joint with single cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with double cover plate Butt joint with single cover plate Lap joint with one ring overlapping the other Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Machine Design A column of length l is fixed at both ends. The equivalent length of the column is l/2 2 l l/√2 l l/2 2 l l/√2 l ANSWER DOWNLOAD EXAMIANS APP
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