Engineering Materials When low carbon steel is heated up to lower critical temperature There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma-iron occurs between the temperature ranges of 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Vanadium, aluminium Sulphur, phosphorus, lead Tungsten, molybdenum, vanadium, chromium Chromium and nickel Vanadium, aluminium Sulphur, phosphorus, lead Tungsten, molybdenum, vanadium, chromium Chromium and nickel 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. Cementite Both A and B None of these Free graphite Cementite Both A and B None of these Free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Full annealing Martempering Hardening and cold working Normalizing Full annealing Martempering Hardening and cold working Normalizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Heavy duty leaf and coil springs contain carbon of the following order 0.01 0.002 0.005 0.008 0.01 0.002 0.005 0.008 ANSWER DOWNLOAD EXAMIANS APP
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