Machine Design The application of third type levers is found in Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs ANSWER DOWNLOAD EXAMIANS APP
Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as One end fixed and the other end hinged Both the ends hinged Both the ends fixed One end fixed and the other end free One end fixed and the other end hinged Both the ends hinged Both the ends fixed One end fixed and the other end free ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Upper surface Lower surface Neutral surface None of these Upper surface Lower surface Neutral surface None of these 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 + (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)] σ [1 + (3a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of V belt drive The belt should not touch the sides of groove in the pulley The belt should touch the bottom of groove in the pulley None of these The belt should not touch the bottom of groove in the pulley The belt should not touch the sides of groove in the pulley The belt should touch the bottom of groove in the pulley None of these The belt should not touch the bottom of groove in the pulley ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS