Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma-iron occurs between the temperature ranges of 900°C to 1400°C 400°C to 600°C 1400°C to 1530°C 600°C to 900°C 900°C to 1400°C 400°C to 600°C 1400°C to 1530°C 600°C to 900°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Cementite Pearlite Austenite Martensite Cementite Pearlite Austenite Martensite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pig iron is the name given to Raw material for blast furnace Product of blast furnace made by reduction of iron ore Iron containing huge quantities of carbon Iron in molten form in the ladles Raw material for blast furnace Product of blast furnace made by reduction of iron ore Iron containing huge quantities of carbon Iron in molten form in the ladles ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Fatigue Hot hardness Hot tempering Creep Fatigue Hot hardness Hot tempering Creep ANSWER DOWNLOAD EXAMIANS APP
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