Engineering Materials The machinability of steel is increased by Sulphur, graphite and aluminium Phosphorous, lead and sulphur Silicon and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Phosphorous, lead and sulphur Silicon and sulphur Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of Oxides Carbonates Sulphides All of these Oxides Carbonates Sulphides All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In process 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 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 Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An eutectoid steel consists of Wholly pearlite Wholly austenite Pearlite and ferrite Pearlite and cementite Wholly pearlite Wholly austenite Pearlite and ferrite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% Steel SiO2 Al2O3 MgO Steel SiO2 Al2O3 MgO ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Graphite German silver Mild steel Lead Graphite German silver Mild steel Lead ANSWER DOWNLOAD EXAMIANS APP