Materials and Construction An alloy of iron containing 4% carbon is called Wrought iron High carbon steel None of these Mild steel Wrought iron High carbon steel None of these Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Nichrome German silver Tungsten Constantan Nichrome German silver Tungsten Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. Precipitation Fusion Agglomeration Sintering Precipitation Fusion Agglomeration Sintering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Neither A nor B Hardness & brittleness increases Both A & B Ductility decreases Neither A nor B Hardness & brittleness increases Both A & B Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the ferritic stainless steel? None of these Body centred cubic Face centred cubic Simple hexagonal None of these Body centred cubic Face centred cubic Simple hexagonal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron None of these Rusts Is heated Melts None of these Rusts Is heated Melts ANSWER DOWNLOAD EXAMIANS APP