Engineering Materials When low carbon steel is heated up to upper 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 Cold rolled steel sheets contain carbon of the following order 0.001 0.002 0.006 0.004 0.001 0.002 0.006 0.004 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as Ability to undergo large permanent deformations in compression All of these Ability to recover its original form Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression All of these Ability to recover its original form Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will First increase and then decrease Remain same Decrease Increase First increase and then decrease Remain same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Brittle Ductile Tough Hard Brittle Ductile Tough Hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Mainly ferrite Mainly pearlite Ferrite and pearlite Pearlite and cementite Mainly ferrite Mainly pearlite Ferrite and pearlite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP