Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 120 150 180 90 120 150 180 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Sulphur dioxide Phosgene Carbon monoxide Methyl iso-cynate (MIC) Sulphur dioxide Phosgene Carbon monoxide Methyl iso-cynate (MIC) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Carbonates Chlorides Sulphides Bi-carbonates Carbonates Chlorides Sulphides Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the None of these Ionosphere Stratosphere Troposphere None of these Ionosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the Ionosphere Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere None of these ANSWER DOWNLOAD EXAMIANS APP