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 Twinning Strain ageing Screw dislocation Solid solution hardening Twinning Strain ageing Screw dislocation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of Stainless steel Brass Nickel Copper Stainless steel Brass Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Neither A nor B Corrosive Abrasive Both A & B Neither A nor B Corrosive Abrasive Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan used in thermocouples is an alloy of Copper & aluminium Iron & copper None of these Lead & tin Copper & aluminium Iron & copper None of these Lead & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Light weight metallic alloy used in aircraft industry is High silicon (14%) iron Phosphor bronze Duralumin Aluminium High silicon (14%) iron Phosphor bronze Duralumin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) ANSWER DOWNLOAD EXAMIANS APP