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 downwards Axially upwards None of these Axially upwards or downwards Axially downwards Axially upwards None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be εc² + εl εc + 2εl 2εc + εl εc + εl² εc² + εl εc + 2εl 2εc + εl εc + εl² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To produce torque To obtain variable speeds For speed reduction To increase efficiency of system To produce torque To obtain variable speeds For speed reduction To increase efficiency of system ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) d + 17 mm 3.5d 2d + 20 mm 2d + 13 mm d + 17 mm 3.5d 2d + 20 mm 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shear stress theory is applicable for Elastic materials Brittle materials Ductile materials All of these Elastic materials Brittle materials Ductile materials All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Both A and B Reducing Increasing None of these Both A and B Reducing Increasing None of these ANSWER DOWNLOAD EXAMIANS APP
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