Engineering Materials Recrystallization temperature can be lowered by Purification of metal Working at lower temperature All of these Grain refinement Purification of metal Working at lower temperature All of these Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Recrystallization Allotropic change Precipitation Heat treatment Recrystallization Allotropic change Precipitation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Depth of hardness of steel is increased by addition of Nickel Vanadium Chromium Tungsten Nickel Vanadium Chromium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness Hardness and strength Machinability Strength and ductility Hardness Hardness and strength Machinability Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel containing ferrite and pearlite is Hard and tough Tough Hard Soft Hard and tough Tough Hard Soft ANSWER DOWNLOAD EXAMIANS APP
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