Materials and Construction A metallic alloy in general as compared to their pure metal components is Having lower hardness, reactivity and fusibility Having lower electrical conductivity Having higher melting point More corrosion resistant Having lower hardness, reactivity and fusibility Having lower electrical conductivity Having higher melting point More corrosion resistant ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duralumin is an alloy of Aluminium, nickel and silicon Aluminium and nickel None of these Aluminium, copper and manganese Aluminium, nickel and silicon Aluminium and nickel None of these Aluminium, copper and manganese ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 0.2 4 2 8 0.2 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The heat treatment process applied to cold formed steel parts is Solution annealing Tempering Normalising Artificial ageing Solution annealing Tempering Normalising Artificial ageing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon content in plain carbon steel is __________ percent. 0.85 to 1.2 0.65 to 0.80 0.35 to 0.45 0.1 to 0.15 0.85 to 1.2 0.65 to 0.80 0.35 to 0.45 0.1 to 0.15 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility ANSWER DOWNLOAD EXAMIANS APP
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