Waste Water Engineering The gas evolved in sewers is Hydrogen sulphide Methane All of these Carbondioxide Hydrogen sulphide Methane All of these Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Skin cancer Bronchitis Heart disorder Lung cancer Skin cancer Bronchitis Heart disorder Lung cancer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 250 mg/l 100 mg/l 50 mg/l 150 mg/l 250 mg/l 100 mg/l 50 mg/l 150 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.05 0.5 0.25 0.1 0.05 0.5 0.25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally A source of objectionable odour Acidic Alkaline Highly decomposed A source of objectionable odour Acidic Alkaline Highly decomposed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Clinometer Level Theodolite Magnetic compass Clinometer Level Theodolite Magnetic compass ANSWER DOWNLOAD EXAMIANS APP
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