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 Wrought iron is High carbon iron Highly resistance to acid corrosion An alloy of iron, chromium & carbon Malleable & ductile; and hence is used for chain links, hooks & couplings High carbon iron Highly resistance to acid corrosion An alloy of iron, chromium & carbon Malleable & ductile; and hence is used for chain links, hooks & couplings ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In hot wire aneomometer used for gas flow measurement, the wire is normally made of Platinum Constantan Copper Chromium Platinum Constantan Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hammers and railway rails are normally made of Mild steel High carbon steel Dead mild steel Medium carbon steel Mild steel High carbon steel Dead mild steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Stainless steel Non-metals Low carbon steels Non-ferrous metals Stainless steel Non-metals Low carbon steels Non-ferrous metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concrete tank can be used to store Alum Sulphuric acid Saturated brine Ferrous sulphate Alum Sulphuric acid Saturated brine Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP