Engineering Materials Hardness of martensite is about RC 48 RC 80 RC 57 RC 65 RC 48 RC 80 RC 57 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Grain refinement Purification of metal All of these Working at lower temperature Grain refinement Purification of metal All of these Working at lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in 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 Improvement of corrosion resistance One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Elasticity Ductility Plasticity Malleability Elasticity Ductility Plasticity Malleability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin and lead Tin, lead and silver Tin and copper Tin, lead and small percentage of antimony Tin and lead Tin, lead and silver Tin and copper Tin, lead and small percentage of antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 723°C 600°C 913°C 700°C 723°C 600°C 913°C 700°C ANSWER DOWNLOAD EXAMIANS APP