Engineering Materials The lower critical point for all steels is 913°C 700°C 723°C 600°C 913°C 700°C 723°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Malleable iron Wrought iron Cast iron Pig iron Malleable iron Wrought iron Cast iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Reduce machinability Increase wear resistance Increase hardenability Increase endurance strength Reduce machinability Increase wear resistance Increase hardenability Increase endurance strength 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 Precipitation Recrystallization Heat treatment Allotropic change Precipitation Recrystallization Heat treatment Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A coarse grained steel 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 more ductile and has a less 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 greater tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is less tough and has a less tendency to distort during heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has High tensile strength Low compressive strength All of these Carbon in the form of free graphite High tensile strength Low compressive strength All of these Carbon in the form of free graphite ANSWER DOWNLOAD EXAMIANS APP