Engineering Materials The presence of sulphur in pig iron makes It easily machinable It brittle It hard The casting unsound It easily machinable It brittle It hard The casting unsound ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve toughness Improve ductility Release stresses Improve machinability Improve toughness Improve ductility Release stresses Improve machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid steel contains following percentage of carbon 0.008 0.0002 0.0063 0.003 0.008 0.0002 0.0063 0.003 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 Ferrite and pearlite Mainly ferrite Mainly pearlite Pearlite and cementite Ferrite and pearlite Mainly ferrite Mainly pearlite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Mild steel belongs to the following category Medium carbon steel Low carbon steel High carbon steel Alloy steel Medium carbon steel Low carbon steel High carbon steel Alloy steel ANSWER DOWNLOAD EXAMIANS APP
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