Materials and Construction Galvanised iron is Alumina coated iron Harder None of these Protected from rusting Alumina coated iron Harder None of these Protected from rusting ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass is corroded by None of these Fluorine (dry or wet) Sulphuric acid Phosphoric acid None of these Fluorine (dry or wet) Sulphuric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ steel is widely used for the manufacture of motor car crankshafts. High speed Silicon Chrome Nickel High speed Silicon Chrome Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead lined equipments & vessels are suitable for handling All of these Sulphuric acid upto 60°C Nitric acid Hydrochloric acid (10%) All of these Sulphuric acid upto 60°C Nitric acid Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum carbon content in cast iron is __________ percent. 4.3 5.2 4.8 3.8 4.3 5.2 4.8 3.8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Having h.c.p. crystal lattice ANSWER DOWNLOAD EXAMIANS APP