Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere 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 Cast iron, tin and aluminium Mild steel and stainless steel Copper, nickel and monel High silicon iron, silicon rubber, Kel-F and teflon Cast iron, tin and aluminium Mild steel and stainless steel Copper, nickel and monel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The increase in hardness of metal due to its cold working is termed as the __________ hardening. Age Induction Flame Work Age Induction Flame Work ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Compressive strength Corrosion resistance Machinability Tensile strength Compressive strength Corrosion resistance Machinability Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Above 1403 Between 910 & 1403 Upto 910 Above 1800 Above 1403 Between 910 & 1403 Upto 910 Above 1800 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Is the hardest metal in common use Can not be work hardened Is the lightest metal in common use Can not be scratched by finger nails Is the hardest metal in common use Can not be work hardened Is the lightest metal in common use Can not be scratched by finger nails ANSWER DOWNLOAD EXAMIANS APP