Materials and Construction Glass is corroded by Phosphoric acid Sulphuric acid Fluorine (dry or wet) None of these Phosphoric acid Sulphuric acid Fluorine (dry or wet) None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Are exemplified by clay and mica Are poor electrical conductors due to lack of free electrons Never exhibit polymorphism All of these Are exemplified by clay and mica Are poor electrical conductors due to lack of free electrons Never exhibit polymorphism All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material capable of undergoing large permanent deformation, when subjected to compression is termed as Brittle Malleable None of these Ductile Brittle Malleable None of these Ductile ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Soften its surface None of these Harden its surface Improve its reliability Soften its surface None of these Harden its surface Improve its reliability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Phenol formaldehyde Urea-formaldehyde Polybutadiene Dacron Phenol formaldehyde Urea-formaldehyde Polybutadiene Dacron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Iron Calcium Aluminium Silver Iron Calcium Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP