Engineering Materials Combined carbon in iron makes the metal Soft and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.00025 0.0026 0.008 0.017 0.00025 0.0026 0.008 0.017 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 Free graphite Both A and B None of these Cementite Free graphite Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 600°C 723°C 1147°C 1493°C 600°C 723°C 1147°C 1493°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Hardness Ductility Fluidity Tensile strength Hardness Ductility Fluidity Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
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