Machine Design Screws used for power transmission should have High efficiency Low efficiency Very fine threads Strong teeth High efficiency Low efficiency Very fine threads Strong teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank Be parallel to axis of bolt 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 2 times more Same in both cases 4 times more 3 times more 2 times more Same in both cases 4 times more 3 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called Plasticity Ductility Malleability Elasticity Plasticity Ductility Malleability Elasticity ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment? Bushed pin type coupling Universal coupling Oldham coupling All of these Bushed pin type coupling Universal coupling Oldham coupling All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a close coiled helical spring is compressed, its wire is subjected to Shear Compression All of these Tension Shear Compression All of these Tension ANSWER DOWNLOAD EXAMIANS APP