Materials and Construction In cold working of metal as compared to its hot working Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Are prone to temper brittleness Do not contain nickel or chromium or both Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Do not contain nickel or chromium or both Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is having very high Strength Hardness Susceptibility to changes in its properties by heat treatment Corrosion resistance Strength Hardness Susceptibility to changes in its properties by heat treatment Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Residual magnetism in steel for magnets is increased by the addition of Tungsten Nickel Chromium Cobalt Tungsten Nickel Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most common stainless steel type 316, which is highly resistant to corrosion contains 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo 20-22% Cr, and 8-10% Ni None of these 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo 20-22% Cr, and 8-10% Ni None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum permissible sulphur content in steel is __________ percent. 0.505 0.055 0.015 0.805 0.505 0.055 0.015 0.805 ANSWER DOWNLOAD EXAMIANS APP