Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Invar Silver metal Duralumin Hastelloy Invar Silver metal Duralumin Hastelloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Makes the iron soft and easily machinable Make the iron white and hard Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard Increases hardness and brittleness Aids fusibility and fluidity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Free carbon Graphite Cementite White carbon Free carbon Graphite Cementite White carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel containing ferrite and pearlite is Soft Hard and tough Tough Hard Soft Hard and tough Tough Hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect None of these Decreases Increases Does not effect None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP