Materials and Construction In cold working of metal as compared to its hot working Appreciable strain hardening is produced Ductility and impact strength improves Yield stress, hardness and fatigue strength is not at all affected Cracks and blow holes are eliminated Appreciable strain hardening is produced Ductility and impact strength improves Yield stress, hardness and fatigue strength is not at all affected Cracks and blow holes are eliminated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Copper Lead Wrought iron Aluminium Copper Lead Wrought iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Dielectric None of these Metal/alloy Semi-conductor Dielectric None of these Metal/alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Hot dipping Powder metallurgy Spraying Electro-deposition Hot dipping Powder metallurgy Spraying Electro-deposition ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An ideal material of construction for the storage of 50% caustic soda solution would be Karbate High silicon cast iron None of these Monel Karbate High silicon cast iron None of these Monel ANSWER DOWNLOAD EXAMIANS APP