Machine Design The permissible stress for carbon steel under static loading is generally taken as 4000-4500 kg/cm² 3000-4000 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² 4000-4500 kg/cm² 3000-4000 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key way lowers Both the strength and rigidity of the shaft The rigidity of the shaft The ductility of the shaft The strength of the shaft Both the strength and rigidity of the shaft The rigidity of the shaft The ductility of the shaft The strength of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is Less than 50% Equal to 50% None of these More than 50% Less than 50% Equal to 50% None of these More than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Tighten die bolt properly Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Tighten die bolt properly Increase its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Retain deformation produced under load permanently Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Draw into wires by the application of a tensile force Retain deformation produced under load permanently Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Draw into wires by the application of a tensile force ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is subjected to a higher cyclic loading than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It has a lower curvature than the outer side ANSWER DOWNLOAD EXAMIANS APP