Engineering Materials Ball bearings are, usually, made from Medium carbon steel High carbon steel Low carbon steel Chrome steel Medium carbon steel High carbon steel Low carbon steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Copper Lead and bismuth Silicon Magnesium Copper Lead and bismuth Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Surface hardening process Carburising process None of these Core hardening process Surface hardening process Carburising process None of these Core hardening process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Change grain size Any one of these Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Change grain size Any one of these Relieve the stresses set up in the material after hot or cold working Modify the structure of the material ANSWER DOWNLOAD EXAMIANS APP