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