Engineering Materials Dow metal contains 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Reduced neutron absorption cross-section Corrosion resistance Improved Weldability Embrittlement Reduced neutron absorption cross-section Corrosion resistance Improved Weldability Embrittlement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.02 0.002 0.008 0.013 0.02 0.002 0.008 0.013 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Graphite German silver Mild steel Lead Graphite German silver Mild steel Lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is Below recrystallization temperature 910°C 1050°C 770°C Below recrystallization temperature 910°C 1050°C 770°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Acts as deoxidiser Reduces the grain size Lowers the toughness and transverse ductility Decreases tensile strength and hardness Acts as deoxidiser Reduces the grain size Lowers the toughness and transverse ductility Decreases tensile strength and hardness ANSWER DOWNLOAD EXAMIANS APP
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