Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/6 d/8 d/2 d/4 d/6 d/8 d/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit for a mirror polished material will be __________ as compared to unpolished material. Same Less None of these More Same Less None of these More ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rated life of a bearing varies Directly as load Inversely as fourth power of load Inversely as cube of load Inversely as square of load Directly as load Inversely as fourth power of load Inversely as cube of load Inversely as square of load ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as, Soft key Hollow saddle key Hollow key None of these Soft key Hollow saddle key Hollow key None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Shank Head Thread Middle Shank Head Thread Middle ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] ANSWER DOWNLOAD EXAMIANS APP
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