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