Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Silicon Sulphur Manganese Phosphorus Silicon Sulphur Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Physical change Solidus change Allotropic change Molecular change Physical change Solidus change Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Tough Brittle Ductile Hard Tough Brittle Ductile Hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A coarse grained steel Is less tough and has a less tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment Is less tough and has a less tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment ANSWER DOWNLOAD EXAMIANS APP