Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Rubber Acidic refractory Lead or acid-proof bricks Karbate Rubber Acidic refractory Lead or acid-proof bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Ferrous oxide Powdered iron Ferric sulphide Hydrated ferric oxide Ferrous oxide Powdered iron Ferric sulphide Hydrated ferric oxide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Polybutadiene Urea-formaldehyde Phenol formaldehyde Dacron Polybutadiene Urea-formaldehyde Phenol formaldehyde Dacron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When the steel is subjected to normalising, its __________ decreases. None of these Ultimate tensile strength (UTS) Yield point Ductility None of these Ultimate tensile strength (UTS) Yield point Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction White metal is an alloy of Copper, tin and zinc None of these Lead, tin and cadmium Copper and lead Copper, tin and zinc None of these Lead, tin and cadmium Copper and lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alinco, which is a aluminium-cobalt-nickel steel, is used for making Powerful magnets Chemical equipments Surgical instruments Boiler tubes Powerful magnets Chemical equipments Surgical instruments Boiler tubes ANSWER DOWNLOAD EXAMIANS APP