Machine Design Residual stress in materials Acts when external load is applied Becomes zero when external load is removed Is independent of external loads Is always harmful Acts when external load is applied Becomes zero when external load is removed Is independent of external loads Is always harmful ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is equal to cos φ multiplied by Is inversely proportional to Is directly proportional to Does not depend upon Is equal to cos φ multiplied by Is inversely proportional to Is directly proportional to Does not depend upon ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a close coiled helical spring is compressed, its wire is subjected to Compression Shear Tension All of these Compression Shear Tension All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resilience of a material is important, when it is subjected to Fatigue Thermal stresses Shock loading Combined loading Fatigue Thermal stresses Shock loading Combined loading 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 2.5 3.0 2.8 3.5 2.5 3.0 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The suitable material for belt used in flour mill is Rubber Leather Balata gum Canvas or cotton duck Rubber Leather Balata gum Canvas or cotton duck ANSWER DOWNLOAD EXAMIANS APP