Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these Less than Equal to More than None of these Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Make the steel ductile and of good bending qualities Make the steel tougher and harder All of these Raise the yield point Make the steel ductile and of good bending qualities Make the steel tougher and harder All of these Raise the yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The cupola is used to manufacture Cast iron Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS