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 Tin vessels are corroded by Synthetic detergent solution Aromatic solvents None of these Anhydrous ammonia Synthetic detergent solution Aromatic solvents None of these Anhydrous ammonia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is not a case hardening process. Cyaniding Annealing Nitriding Carburising Cyaniding Annealing Nitriding Carburising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following commercial metals is most abundantly found in India? Zinc Aluminium Copper Nickel Zinc Aluminium Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is never shipped in glass carboys. Phenol Acetic acid Formaldehyde Ammonia Phenol Acetic acid Formaldehyde Ammonia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction White cast iron as compared to grey cast iron is Very brittle More durable Very hard All of these Very brittle More durable Very hard All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS