Materials and Construction Glass is corroded by Fluorine (dry or wet) None of these Sulphuric acid Phosphoric acid Fluorine (dry or wet) None of these Sulphuric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material in Mho's scale (for measuring hardness) is Rubber Talc Gypsum None of these Rubber Talc Gypsum None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Hardness Machinability Strength Ductility Hardness Machinability Strength Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but Aluminium foil clad with bakelite Acrylic sheet An alloy of lead and tin An elastomer Aluminium foil clad with bakelite Acrylic sheet An alloy of lead and tin An elastomer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Titanium metal Is used in oceanographic and space exploration applications Exists in three allotropic forms Can not be welded None of these Is used in oceanographic and space exploration applications Exists in three allotropic forms Can not be welded None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Both A & B Chemical Electrochemical Neither A nor B Both A & B Chemical Electrochemical Neither A nor B ANSWER DOWNLOAD EXAMIANS APP