Materials and Construction In cold working of metal as compared to its hot working 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 Ductility and impact strength improves 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 Aluminium Wrought iron Copper Lead Aluminium Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Metal/alloy Semi-conductor None of these Dielectric Metal/alloy Semi-conductor None of these 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 None of these High silicon cast iron Karbate Monel None of these High silicon cast iron Karbate Monel ANSWER DOWNLOAD EXAMIANS APP
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