Materials and Construction Hardened steel is softened by Tempering Carburising Normalising Annealing Tempering Carburising Normalising Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Remains unchanged Increases May increase or decrease ; unpredictable Decreases Remains unchanged Increases May increase or decrease ; unpredictable Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but Aluminium foil clad with bakelite An elastomer Acrylic sheet An alloy of lead and tin Aluminium foil clad with bakelite An elastomer Acrylic sheet An alloy of lead and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? High silicon iron, silicon rubber, Kel-F and teflon Mild steel and stainless steel Copper, nickel and monel Cast iron, tin and aluminium High silicon iron, silicon rubber, Kel-F and teflon Mild steel and stainless steel Copper, nickel and monel Cast iron, tin and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Converted to a fine powder Oxidised Reduced None of these Converted to a fine powder Oxidised Reduced None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a Cermet Thermosetting plastic Glass Metallic alloy Cermet Thermosetting plastic Glass Metallic alloy ANSWER DOWNLOAD EXAMIANS APP