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 Screw dislocation Twinning Solid solution hardening Strain ageing Screw dislocation Twinning Solid solution hardening ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nickel in steel improves its Wear resistance Corrosion resistance All of these Cutting ability Wear resistance Corrosion resistance All of these Cutting ability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Carborundum Calcite Corrundum Topax Carborundum Calcite Corrundum Topax ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plastics are Non-biodegradable All of these Used in very high temperature applications Not suitable for drainage pipe manufacture Non-biodegradable All of these Used in very high temperature applications Not suitable for drainage pipe manufacture ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Lead or acid-proof bricks Rubber Acidic refractory Karbate Lead or acid-proof bricks Rubber Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is None of these Converted to a fine powder Reduced Oxidised None of these Converted to a fine powder Reduced Oxidised ANSWER DOWNLOAD EXAMIANS APP
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