Materials and Construction The purpose of nitriding the steel is to None of these Improve its reliability Harden its surface Soften its surface None of these Improve its reliability Harden its surface Soften its surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion An alloy of iron, chromium & carbon High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion An alloy of iron, chromium & carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Refined acetic acid storage vessel are made of Copper High carbon steel Aluminium Nickel Copper High carbon steel Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Neither A nor B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Both A & B Neither A nor B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is called 'ductile', if it can be Drawn into wires Hammered to a thin sheet Fractured without deformation Made lustrous by heating it Drawn into wires Hammered to a thin sheet Fractured without deformation Made lustrous by heating it ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which None of these Easily deform under pressure at high temperature Can not be moulded Has decreased plasticity at increasing temperature None of these Easily deform under pressure at high temperature Can not be moulded Has decreased plasticity at increasing temperature ANSWER DOWNLOAD EXAMIANS APP