Materials and Construction Age hardening is concerned with Brass Silver Copper Duralumin Brass Silver Copper Duralumin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Decreases its melting point Does not affect its melting point Makes it malleable Increases its melting point Decreases its melting point Does not affect its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 1100 750 500 900 1100 750 500 900 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least carbon percentage? Low carbon steel White cast iron Wrought iron Mild steel Low carbon steel White cast iron Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic recuperators are generally made of Silicon carbide High alumina bricks Fireclay bricks Calcium carbide Silicon carbide High alumina bricks Fireclay bricks Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.35 0.02 0.5 0.2 0.35 0.02 0.5 0.2 ANSWER DOWNLOAD EXAMIANS APP
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