Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 85 50 25 70 85 50 25 70 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. None of these Radioactive Inorganic Organic None of these Radioactive Inorganic Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The per capital consumption of a locality is affected by(i) Climatic conditions(ii) Quality of water(iii) Distribution pressure Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 15 to 20 10 to 15 3 to 6 0.1 to 1 15 to 20 10 to 15 3 to 6 0.1 to 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁷ 7 x 10⁷ 10⁻⁷ 7 x 10⁻⁷ 10⁷ 7 x 10⁷ 10⁻⁷ 7 x 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated ANSWER DOWNLOAD EXAMIANS APP