Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1500 VPN 250 VPN 1000 to 1100 VPN 600 VPN 1500 VPN 250 VPN 1000 to 1100 VPN 600 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 900°C to 1400°C 600°C to 900°C 400°C to 600°C 1400°C to 1530°C 900°C to 1400°C 600°C to 900°C 400°C to 600°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist Deformation under stress Externally applied forces with breakdown or yielding None of these Fracture due to high impact loads Deformation under stress Externally applied forces with breakdown or yielding None of these Fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes The casting unsound It easily machinable It hard It brittle The casting unsound It easily machinable It hard It brittle ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Solidus change Physical change Allotropic change Molecular change Solidus change Physical change Allotropic change Molecular change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is An alloy of iron and carbon with varying quantities of phosphorus and sulphur Extensively used for making cutting tools Refined from cast iron Made by adding carbon in steel An alloy of iron and carbon with varying quantities of phosphorus and sulphur Extensively used for making cutting tools Refined from cast iron Made by adding carbon in steel ANSWER DOWNLOAD EXAMIANS APP