Machine Design Screws used for power transmission should have High efficiency Very fine threads Strong teeth Low efficiency High efficiency Very fine threads Strong teeth Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be 3 times more Same in both cases 4 times more 2 times more 3 times more Same in both cases 4 times more 2 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resilience of a bolt may be increased by Increasing its length Decreasing its shank diameter Increasing its shank diameter Decreasing its length Increasing its length Decreasing its shank diameter Increasing its shank diameter Decreasing its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. 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 Is equal to cos φ multiplied by ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 6F/ πd² 16F/ 3πd² 8F/ πd² 4F/ πd² 6F/ πd² 16F/ 3πd² 8F/ πd² 4F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of third type, the mechanical advantage is __________ one. Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP