Materials and Construction In cold working of metal as compared to its hot working 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 Appreciable strain hardening is produced 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 Copper Wrought iron Aluminium Lead Copper Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Dielectric None of these Metal/alloy Semi-conductor Dielectric None of these Metal/alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Hot dipping Spraying Electro-deposition Powder metallurgy Hot dipping Spraying Electro-deposition Powder metallurgy 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 Monel High silicon cast iron Karbate None of these Monel High silicon cast iron Karbate ANSWER DOWNLOAD EXAMIANS APP
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