Engineering Materials Iron ore is usually found in the form of Carbonates All of these Oxides Sulphides Carbonates All of these Oxides Sulphides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Lowers the toughness and transverse ductility Acts as deoxidiser Reduces the grain size Decreases tensile strength and hardness Lowers the toughness and transverse ductility Acts as deoxidiser Reduces the grain size Decreases tensile strength and hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Weld decay is the phenomenon found with Nonferrous materials Cast iron Stainless steel Mild steel Nonferrous materials Cast iron Stainless steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Grain refinement All of these Purification of metal Working at lower temperature Grain refinement All of these Purification of metal Working at lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Elinvar Nichrome Magnin Invar Elinvar Nichrome Magnin Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Silicon and sulphur Phosphorous and aluminium Phosphorous, lead and sulphur Sulphur, graphite and aluminium Silicon and sulphur Phosphorous and aluminium Phosphorous, lead and sulphur Sulphur, graphite and aluminium ANSWER DOWNLOAD EXAMIANS APP
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