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