Engineering Materials Addition of lead and bismuth to aluminium results in Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.001 0.004 0.006 0.002 0.001 0.004 0.006 0.002 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Fixed structure at all temperatures Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.35 to 0.45% 0.6 to 0.8% 0.4 to 0.6% 0.0004 0.35 to 0.45% 0.6 to 0.8% 0.4 to 0.6% 0.0004 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in high speed steel provides Wear resistance Toughness Sharp cutting edge Hot hardness Wear resistance Toughness Sharp cutting edge Hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Spheroids Free carbon Flakes Cementite Spheroids Free carbon Flakes Cementite ANSWER DOWNLOAD EXAMIANS APP