Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Lead or acid-proof bricks Karbate Acidic refractory Rubber Lead or acid-proof bricks Karbate Acidic refractory Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Condenser tubes are not made of Muntz brass Cartridge brass Aluminium brass alloy Wood metal Muntz brass Cartridge brass Aluminium brass alloy Wood metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass is corroded by Sulphuric acid Phosphoric acid None of these Fluorine (dry or wet) Sulphuric acid Phosphoric acid None of these Fluorine (dry or wet) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Oxygen Antimony Bismuth Arsenic Oxygen Antimony Bismuth Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphur melting pit in the sulphuric acid plant is made of Hard wood Cast iron Lead lined stainless steel Steel or cement-brick lined Hard wood Cast iron Lead lined stainless steel Steel or cement-brick lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sheardising process is used for Heat treatment of high speed steel None of these Surface coating Cold working on metals Heat treatment of high speed steel None of these Surface coating Cold working on metals ANSWER DOWNLOAD EXAMIANS APP