Engineering Materials When low carbon steel is heated up to upper critical temperature The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 RC 57 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to absorb energy in the plastic range is called Toughness Creep Fatigue strength Resilience Toughness Creep Fatigue strength Resilience ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dye penetrant method is generally used to locate Surface defects Superficial defects Temporary defects Core defects Surface defects Superficial defects Temporary defects Core defects ANSWER DOWNLOAD EXAMIANS APP
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