Machine Design The maximum efficiency of a square threaded screw is (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Conical spring Volute spring Flat spiral spring Helical spring Conical spring Volute spring Flat spiral spring Helical spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is Zero at the centroidal axis None of these Zero at the point other than centroidal axis Maximum at the neutral axis Zero at the centroidal axis None of these Zero at the point other than centroidal axis Maximum at the neutral axis 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 Same in both cases 3 times more 4 times more 2 times more Same in both cases 3 times more 4 times more 2 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear. Right hand Both A and B None of these Left hand Right hand Both A and B None of these Left hand ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Compression coupling All of these Flange coupling Muff coupling Compression coupling All of these Flange coupling Muff coupling ANSWER DOWNLOAD EXAMIANS APP
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