Engineering Materials Recrystallization temperature is one At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size At which change of allotropic form takes place At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size At which change of allotropic form takes place At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Has a fixed structure under all conditions Responds to heat treatment Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern Has a fixed structure under all conditions Responds to heat treatment Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.7 0.45 0.55 0.3 0.7 0.45 0.55 0.3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Below 0.8% None of these 0.008 Above 0.8% Below 0.8% None of these 0.008 Above 0.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Point defect Surface defect Line defect None of these Point defect Surface defect Line defect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 57 RC 48 RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 ANSWER DOWNLOAD EXAMIANS APP
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