Materials and Construction Mild steel is Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Does not affect its melting point Makes it malleable Decreases its melting point Increases its melting point Does not affect its melting point Makes it malleable Decreases its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hammers and railway rails are normally made of Mild steel Dead mild steel Medium carbon steel High carbon steel Mild steel Dead mild steel Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ steel is widely used for the manufacture of motor car crankshafts. Silicon Nickel Chrome High speed Silicon Nickel Chrome High speed ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ does not contain tin as an alloying material. Solder Brass Babbit metal Pewter Solder Brass Babbit metal Pewter ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is More corrosion resistant Having lower electrical conductivity Having lower hardness, reactivity and fusibility Having higher melting point More corrosion resistant Having lower electrical conductivity Having lower hardness, reactivity and fusibility Having higher melting point ANSWER DOWNLOAD EXAMIANS APP