Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Non-pathogenic Pathogenic Anaerobic Aerobic Non-pathogenic Pathogenic Anaerobic Aerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. None of these Ortho-xylene Coal ash Potassium cyanide None of these Ortho-xylene Coal ash Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Taste & odour control Removal of permanent hardness Disinfection Weed control in reservoirs Taste & odour control Removal of permanent hardness Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Chlorofluro carbons (CFC) All of these Methane Nitrous oxide Chlorofluro carbons (CFC) All of these Methane Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of liquid effluents Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of liquid effluents ANSWER DOWNLOAD EXAMIANS APP
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