Engineering Materials When the steel is normalized, its Ultimate tensile strength increases All of these Yield point increases Ductility decreases Ultimate tensile strength increases All of these Yield point increases Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Chrome steel Low carbon steel High carbon steel Medium carbon steel Chrome steel Low carbon steel High carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of Vitrified clay Cast iron Concrete Asbestos cement Vitrified clay Cast iron Concrete Asbestos cement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Forms very hard carbides and thus increases wear resistance Promotes decarburisation Promotes retention of austenite Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes decarburisation Promotes retention of austenite Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
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