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 Aluminium Rubber lined mild steel Cast iron Lead lined mild steel Aluminium Rubber lined mild steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polythene (low or high density) containers are not corroded by Sulphur trioxide at 60°C Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Sulphur trioxide at 60°C Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as Sheradising None of these Parkerising Anodising Sheradising None of these Parkerising Anodising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In drop forging process, the forging is done by dropping the __________ at high velocity. Die with hammer Weight on hammer Workpiece Hammer Die with hammer Weight on hammer Workpiece Hammer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cold worked steel parts are normally subjected to Shot peening Normalising Hardening Annealing Shot peening Normalising Hardening Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is not used For producing zinc base die casting alloys As an alloying element in various bronzes As anode for corrosion prevention in boiler In its oxide form as pigments For producing zinc base die casting alloys As an alloying element in various bronzes As anode for corrosion prevention in boiler In its oxide form as pigments ANSWER DOWNLOAD EXAMIANS APP