Engineering Materials Corundum contains more than 95% Al2O3 SiO2 Steel MgO Al2O3 SiO2 Steel MgO ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite Both A and B None of these Cementite Free graphite Both A and B None of these Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Magnalium Hindalium Y-alloy Duralumin Magnalium Hindalium Y-alloy Duralumin 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 Pearlite and cementite Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite Mainly pearlite Ferrite and pearlite Mainly ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Solder is an alloy consisting of Lead and zinc Tin and copper Tin and lead Tin, antimony, copper Lead and zinc Tin and copper Tin and lead Tin, antimony, copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
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