Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Magnesium Copper Chromium Nickel Magnesium Copper Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems 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 Creep strength limits its use to fairly low temperatures Fatigue strength is not high Modulus of elasticity is fairly low Wear resistance is very good Creep strength limits its use to fairly low temperatures Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has Graphite as its basic constituent of composition A low percentage of graphite A very high percentage of graphite No graphite Graphite as its basic constituent of composition A low percentage of graphite A very high percentage of graphite No graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Connecting rods Generators and transformers in the form of laminated cores Cutting tools Motor car crankshafts Connecting rods Generators and transformers in the form of laminated cores Cutting tools Motor car crankshafts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Ferrite Pearlite Austenite Cementite Ferrite Pearlite Austenite Cementite ANSWER DOWNLOAD EXAMIANS APP