Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Precipitation Allotropic change Recrystallization Heat treatment Precipitation Allotropic change Recrystallization ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pig iron is the name given to Product of blast furnace made by reduction of iron ore Iron in molten form in the ladles Raw material for blast furnace Iron containing huge quantities of carbon Product of blast furnace made by reduction of iron ore Iron in molten form in the ladles Raw material for blast furnace Iron containing huge quantities of carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and iron Copper and tin Copper and zinc Copper and nickel Copper and iron Copper and tin Copper and zinc Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Any one of these Change grain size Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Any one of these Change grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Austenite Cementite Pearlite Martensite Austenite Cementite Pearlite Martensite ANSWER DOWNLOAD EXAMIANS APP
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