Engineering Materials When low carbon steel is heated up to upper critical temperature 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 The average grain size is a minimum There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Less than Equal to More than None of these Less than Equal to More than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The stiffness is the ability of a material to resist None of these Deformation under stress Fracture due to high impact loads Externally applied forces with breakdown or yielding None of these Deformation under stress Fracture due to high impact loads Externally applied forces with breakdown or yielding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 65 RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze is an alloy of Copper and zinc Copper and tin None of these Copper, tin and zinc Copper and zinc Copper and tin None of these Copper, tin and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Between 910°C and 1400°C Room temperature Near melting point Between 1400°C and 1539°C Between 910°C and 1400°C Room temperature Near melting point Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
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