Materials and Construction In cold working of metal as compared to its hot working Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves 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? Wrought iron Lead Copper Aluminium Wrought iron Lead Copper Aluminium 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 Powder metallurgy Hot dipping Spraying Electro-deposition Powder metallurgy Hot dipping 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 High silicon cast iron Karbate Monel None of these High silicon cast iron Karbate Monel None of these ANSWER DOWNLOAD EXAMIANS APP
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