Engineering Materials Gamma-iron occurs between the temperature ranges of 1400°C to 1530°C 600°C to 900°C 400°C to 600°C 900°C to 1400°C 1400°C to 1530°C 600°C to 900°C 400°C to 600°C 900°C to 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 1% silver No silver 5% silver 2% silver 1% silver No silver 5% silver 2% silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Phosphorus Silicon Manganese Sulphur Phosphorus Silicon Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Modulus of elasticity is fairly low Wear resistance is very good Fatigue strength is not high Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Wear resistance is very good Fatigue strength is not high Creep strength limits its use to fairly low temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Free carbon White carbon Graphite Cementite Free carbon White carbon Graphite Cementite ANSWER DOWNLOAD EXAMIANS APP