Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 4F/ πd² 6F/ πd² 8F/ πd² 16F/ 3πd² 4F/ πd² 6F/ πd² 8F/ πd² 16F/ 3πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rivets are generally specified by Thickness of plates to be riveted Nominal diameter Diameter of head Length of rivet Thickness of plates to be riveted Nominal diameter Diameter of head Length of rivet 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 (2WD/ πd3) × K (8WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because The new belt will carry more than its share and result in short life Belts are available in sets New and old belts will cause vibrations Only one belt cannot be fitted with other used belts The new belt will carry more than its share and result in short life Belts are available in sets New and old belts will cause vibrations Only one belt cannot be fitted with other used belts ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Shot peening Grinding and lapping surface Cold working Hot working Shot peening Grinding and lapping surface Cold working Hot working ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/8 d/6 d/2 d/4 d/8 d/6 d/2 d/4 ANSWER DOWNLOAD EXAMIANS APP
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