Materials and Construction Iron rust is Hydrated ferric oxide Powdered iron Ferrous oxide Ferric sulphide Hydrated ferric oxide Powdered iron Ferrous oxide Ferric sulphide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Photographic plates are coated with Silver nitrate Calcium silicate Silver halide Metallic silver Silver nitrate Calcium silicate Silver halide Metallic silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Sulphuric acid Hydrochloric acid (95%) Hydrochloric acid (10%) None of these Sulphuric acid Hydrochloric acid (95%) Hydrochloric acid (10%) None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 99.5 85 95 90 99.5 85 95 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the ferritic stainless steel? Face centred cubic None of these Body centred cubic Simple hexagonal Face centred cubic None of these Body centred cubic Simple hexagonal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of High carbon steel Brass Copper Aluminium High carbon steel Brass Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP