Engineering Materials A small percentage of boron is added to steel in order to Reduce machinability Increase wear resistance Increase hardenability Increase endurance strength Reduce machinability Increase wear resistance Increase hardenability Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and iron Copper and tin Copper and nickel Copper and zinc Copper and iron Copper and tin Copper and nickel Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Tensile strength Fluidity Hardness Ductility Tensile strength Fluidity Hardness Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of Sulphides All of these Carbonates Oxides Sulphides All of these Carbonates Oxides ANSWER DOWNLOAD EXAMIANS APP
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