Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Smoke Aerosols Grit Aggregates Smoke Aerosols Grit Aggregates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 2000 500 5 1000 2000 500 5 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the None of these Stratosphere Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 100 to 200 10 to 20 4000 to 5000 1500 to 2500 100 to 200 10 to 20 4000 to 5000 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Deoxidation Aeration Chlorination Bleaching Deoxidation Aeration Chlorination Bleaching ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Grey Black Dark brown Red Grey Black Dark brown Red ANSWER DOWNLOAD EXAMIANS APP
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