Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Strain ageing Twinning Solid solution hardening Screw dislocation Strain ageing Twinning Solid solution hardening Screw dislocation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hot working of lead is carried out at Room temperature 75° C 373° K 150° C Room temperature 75° C 373° K 150° C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of nickel and chromium? Nimonic alloys Duralumin Hastealloy Inconel Nimonic alloys Duralumin Hastealloy Inconel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast irons are generally specified by their Manufacturing proces Tensile strength Carbon content Hardness Manufacturing proces Tensile strength Carbon content Hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen Harden the surface Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen Harden the surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) ANSWER DOWNLOAD EXAMIANS APP
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