Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Acidic refractory Lead or acid-proof bricks Rubber Karbate Acidic refractory Lead or acid-proof bricks Rubber Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following stainless steels is non-magnetic? Ferritic Austenitic Martensitic None of these Ferritic Austenitic Martensitic None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cermets are __________ materials. Reinforced Fully metallic Refractory Abrasive Reinforced Fully metallic Refractory Abrasive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rubber lined vessels are corroded by the action of Aqua regia Sulphuric acid (95%) All of these Chloroform Aqua regia Sulphuric acid (95%) All of these Chloroform ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Rubber lined mild steel Aluminium Cast iron Lead lined mild steel Rubber lined mild steel Aluminium Cast iron Lead lined mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of water Increase its glossiness and lustre Harden the surface Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre Harden the surface Prevent the action of oxygen ANSWER DOWNLOAD EXAMIANS APP
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