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 suddenly in a suitable cooling medium 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 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 suddenly in a suitable cooling medium 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 below or closes to the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cementite consist of 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite 13% cementite and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.02 0.013 0.002 0.008 0.02 0.013 0.002 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The electric process of steel making is especially adapted to Alloy and carbon tool steel High speed tool steel Magnet steel All of these Alloy and carbon tool steel High speed tool steel Magnet steel All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.55 0.45 0.7 0.3 0.55 0.45 0.7 0.3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous and aluminium Phosphorous, lead and sulphur Sulphur, graphite and aluminium Silicon and sulphur Phosphorous and aluminium Phosphorous, lead and sulphur Sulphur, graphite and aluminium Silicon and sulphur ANSWER DOWNLOAD EXAMIANS APP
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