Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Protect the base metal by cathodic protection Neither A nor B Prevent its rusting by contact with corrosive atmosphere Both A & B Protect the base metal by cathodic protection Neither A nor B Prevent its rusting by contact with corrosive atmosphere Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Ductility Hardness Machinability Strength Ductility Hardness Machinability Strength 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 Wrought iron Copper Lead Aluminium Wrought iron Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel, it is generally subjected to Annealing Spheroidising Tempering Normalising Annealing Spheroidising Tempering Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in acid resistant cast iron is about 8 20 4 14 8 20 4 14 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least value of ultimate tensile strength (UTS)? Cast iron Wrought iron Medium carbon steel High carbon steel Cast iron Wrought iron Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
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