Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially upwards or downwards Axially upwards None of these Axially downwards Axially upwards or downwards Axially upwards None of these Axially downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of the pressure vessel is based on Hoop stress Longitudinal stress Longitudinal and hoop stress None of these Hoop stress Longitudinal stress Longitudinal and hoop stress None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit of a material with finished surface in comparison to rough surface is Same More or less depending on quantum of load Less More Same More or less depending on quantum of load Less More ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process extensively used for making bolts and nuts is Hot piercing Cold heading Extrusion Cold peening Hot piercing Cold heading Extrusion Cold peening 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 A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 4 τ τ τ/2 2 τ 4 τ τ τ/2 2 τ ANSWER DOWNLOAD EXAMIANS APP