Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Lead lined mild steel Rubber lined mild steel Aluminium Cast iron Lead lined mild steel Rubber lined mild steel Aluminium Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For spinning viscose rayon, the extrusion spinnerettes are made of Nickel High carbon steel Platinum or gold alloys Aluminium Nickel High carbon steel Platinum or gold alloys Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Trough of an apron conveyor is made of Either B or C Metal Lead lined concrete vessel Wood Either B or C Metal Lead lined concrete vessel Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Tensile strength Machinability Corrosion resistance Compressive strength Tensile strength Machinability Corrosion resistance Compressive strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. High silicon iron, Kel-F and teflon Tin and wood Stainless steel Silicone rubber High silicon iron, Kel-F and teflon Tin and wood Stainless steel Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (95%) None of these Hydrochloric acid (10%) Sulphuric acid Hydrochloric acid (95%) None of these Hydrochloric acid (10%) Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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