Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 17 25 15 21 17 25 15 21 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which process will increase the fatigue duration of parts? De-carburisation Finishing and polishing Shot-peening Electroplating De-carburisation Finishing and polishing Shot-peening Electroplating ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. One-eighth One-half One-fourth Double One-eighth One-half One-fourth Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resilience of a bolt may be increased by Decreasing its shank diameter Increasing its length Decreasing its length Increasing its shank diameter Decreasing its shank diameter Increasing its length Decreasing its length Increasing its shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design Auto frettage is the method of Joining thick cylinders Pre-stressing thick cylinders Calculating stresses in thick cylinders Increasing the life of thick cylinders Joining thick cylinders Pre-stressing thick cylinders Calculating stresses in thick cylinders Increasing the life of thick cylinders ANSWER DOWNLOAD EXAMIANS APP
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