Environmental Engineering in CE Algae growth in water is controlled by Chlorination Deoxidation Bleaching Aeration Chlorination Deoxidation Bleaching Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. All of these Total solids Color (Hazen) Turbidity All of these Total solids Color (Hazen) Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Hydrogen sulphide Oxides of nitrogen Oxides of sulphur Carbon monoxide Hydrogen sulphide Oxides of nitrogen Oxides of sulphur 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 Troposphere Ionosphere Stratosphere None of these Troposphere Ionosphere Stratosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Suppression of noise at the source itself All of these Protection of operating personnel Path control of noise Suppression of noise at the source itself All of these Protection of operating personnel Path control of noise ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 15 to 20 9 to 10 1 to 2 4 to 5 15 to 20 9 to 10 1 to 2 ANSWER DOWNLOAD EXAMIANS APP