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. Solid solution hardening Screw dislocation Strain ageing Twinning Solid solution hardening Screw dislocation Strain ageing Twinning ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for determining the tensile strength of steels. None of these Hydraulic press Universal testing machine Mechanical press None of these Hydraulic press Universal testing machine Mechanical press ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. None of these Ferromagnetic Diamagnetic Paramagnetic None of these Ferromagnetic Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? Low carbon steel High-carbon steel Wrought iron Mild steel Low carbon steel High-carbon steel Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Iron Calcium Aluminium Silver Iron Calcium Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum consumption of lead is in the manufacture of Solder alloys Electric cable sheathing Storage batteries Lead lined vessels Solder alloys Electric cable sheathing Storage batteries Lead lined vessels ANSWER DOWNLOAD EXAMIANS APP
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