Machine Design The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is Smaller Larger/smaller depending on diameter of spring coil Larger Equal Smaller Larger/smaller depending on diameter of spring coil Larger Equal ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a spring is cut down into two springs, the stiffness of cut springs will be None of these Same Half Double None of these Same Half Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gears are casted by Sand mould casting Permanent mould casting Slush casting Centrifugal casting Sand mould casting Permanent mould casting Slush casting Centrifugal casting ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.2 0.6 0.5 0.25 0.2 0.6 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
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 2.8 2.5 3.0 3.5 2.8 2.5 3.0 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Fatigue limit by over-stressing the metal by successively increasing loadings Metal strength by cycling Metal resistance to corrosion by coating Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal strength by cycling Metal resistance to corrosion by coating Metal hardness by surface treatment ANSWER DOWNLOAD EXAMIANS APP