Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 0.83% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 0.83% Adding carbon up to 2.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant? LD process Open hearth process Bessemer process Electric process LD process Open hearth process Bessemer process Electric process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dislocations in materials refer to the following type of defect Point defect Volumetric defect Line defect Plane defect Point defect Volumetric defect Line defect Plane defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Heavy duty leaf and coil springs contain carbon of the following order 0.002 0.005 0.008 0.01 0.002 0.005 0.008 0.01 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Do not become hard with the application of heat and pressure and no chemical change occurs ANSWER DOWNLOAD EXAMIANS APP