Engineering Materials The heat treatment process used for softening hardened steel is Tempering Annealing Carburising Normalizing Tempering Annealing Carburising Normalizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Formation of bainite structure Martenistic structure Carburised structure Lamellar layers of carbide distributed throughout the structure Formation of bainite structure Martenistic structure Carburised structure Lamellar layers of carbide distributed throughout the structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Blackheart cast iron None of these Both (A) and (B) Whiteheart cast iron Blackheart cast iron None of these Both (A) and (B) Whiteheart cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 1400°C to 1530°C 400°C to 600°C 600°C to 900°C 900°C to 1400°C 1400°C to 1530°C 400°C to 600°C 600°C to 900°C 900°C to 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Room temperature Near melting point Between 910°C and 1400°C Between 1400°C and 1539°C Room temperature Near melting point Between 910°C and 1400°C Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Free carbon Flakes Spheroids Cementite Free carbon Flakes Spheroids Cementite ANSWER DOWNLOAD EXAMIANS APP