Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Hot tempering Creep Fatigue Hot hardness Hot tempering Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite Cementite None of these Both A and B Free graphite Cementite None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Nickel Mild steel Aluminium Copper Nickel Mild steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous Which emits fumes on melting In which atoms align themselves in a geometric pattern upon solidification In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous Which emits fumes on melting In which atoms align themselves in a geometric pattern upon solidification ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability ANSWER DOWNLOAD EXAMIANS APP
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