Engineering Materials Corundum contains more than 95% MgO Al2O3 Steel SiO2 MgO Al2O3 Steel SiO2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials By severely deforming a metal in a particular direction it becomes Malleable Anisotropic Homogeneous Ductile Malleable Anisotropic Homogeneous Ductile ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these Heated up to the lower critical temperature and then cooled in still air Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Corrosion resistance Embrittlement Improved Weldability Reduced neutron absorption cross-section Corrosion resistance Embrittlement Improved Weldability Reduced neutron absorption cross-section ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Surface decarburisation Cold working Shot peening Nitriding of surface Surface decarburisation Cold working Shot peening ANSWER DOWNLOAD EXAMIANS APP
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