Materials and Construction Iron rust is Powdered iron Ferrous oxide Ferric sulphide Hydrated ferric oxide Powdered iron Ferrous oxide Ferric sulphide Hydrated ferric oxide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan used in thermocouples is an alloy of Iron & copper Lead & tin Copper & aluminium None of these Iron & copper Lead & tin Copper & aluminium None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dilute sulphuric acid is transported in __________ pipes. Special alloys Lead Mild steel Copper Special alloys Lead Mild steel Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Never exhibit polymorphism All of these Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica Never exhibit polymorphism All of these Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. High speed steel Heat resisting steel Invar Austenitic stainless steel High speed steel Heat resisting steel Invar Austenitic stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Graphite Kel-F and teflon Monel Stainless steel Graphite Kel-F and teflon Monel Stainless steel ANSWER DOWNLOAD EXAMIANS APP