Engineering Materials Which of the following material has maximum ductility? Aluminium Nickel Copper Mild steel Aluminium Nickel Copper Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Release stresses Improve machinability Improve toughness Improve ductility Release stresses Improve machinability Improve toughness Improve ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Manganese Silicon Nickel Magnesium Manganese Silicon Nickel Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 65 RC 57 RC 48 RC 80 RC 65 RC 57 RC 48 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes decarburisation Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Provides high hot hardness Promotes decarburisation Promotes retention of austenite Forms very hard carbides and thus increases wear resistance 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 Raise the yield point All of these Make the steel ductile and of good bending qualities Make the steel tougher and harder Raise the yield point All of these ANSWER DOWNLOAD EXAMIANS APP
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