Engineering Materials The presence of sulphur in pig iron makes It easily machinable The casting unsound It brittle It hard It easily machinable The casting unsound It brittle It hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Corrosion resistance Reduced neutron absorption cross-section Improved Weldability Embrittlement Corrosion resistance Reduced neutron absorption cross-section Improved Weldability Embrittlement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low hardness Low wear resistance Low tensile strength Toughness Low hardness Low wear resistance Low tensile strength Toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Nichrome Elinvar Invar Magnin Nichrome Elinvar Invar Magnin 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
Engineering Materials Points of arrest for iron correspond to Stages at which properties do not change with increase in temperature Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which properties do not change with increase in temperature Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP