Engineering Materials Delta-iron occurs between the temperature ranges of 900°C to 1400°C 1400°C to 1530°C 400°C to 600°C 600°C to 900°C 900°C to 1400°C 1400°C to 1530°C 400°C to 600°C 600°C to 900°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist 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 None of these Deformation under stress ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal All of these Grain refinement Working at lower temperature Purification of metal All of these Grain refinement Working at lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Yield point Hardness Melting point Critical temperature Yield point Hardness Melting point Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Nitriding Any one of these Flame hardening Case hardening Nitriding Any one of these Flame hardening Case hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
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