Machine Design A screw will be self locking, if Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design A stud Has head at one end and other end fits into a tapped hole in the other part to be joined Has pointed threads Has both the ends threaded Has a head on one end and a nut fitted to the other Has head at one end and other end fits into a tapped hole in the other part to be joined Has pointed threads Has both the ends threaded Has a head on one end and a nut fitted to the other 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 subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Between 20d and 30d Equal to inside diameter of pipe Greater than 30d Less than 20d Between 20d and 30d Equal to inside diameter of pipe Greater than 30d Less than 20d ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to an external load, the stress induced in the bolt will be Shear stress Tensile stress Any one of these Combined tensile and shear stress Shear stress Tensile stress Any one of these Combined tensile and shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Belt slip may occur due to Heavy load Driving pulley too small Loose belt All of these Heavy load Driving pulley too small Loose belt All of these ANSWER DOWNLOAD EXAMIANS APP