Waste Water Engineering Fresh sewage may become stale in Six hours One hour Three to four hours Two to three hours Six hours One hour Three to four hours Two to three hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Ammonia Carbondioxide Carbon monoxide Methane Ammonia Carbondioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is 1045 mm 1065 mm 1075 mm 1095 mm 1045 mm 1065 mm 1075 mm 1095 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 1 minute 2 minutes 5 minutes 3 minutes 1 minute 2 minutes 5 minutes 3 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by None of these Anaerobic bacteria Both types of bacterias Aerobic bacteria None of these Anaerobic bacteria Both types of bacterias Aerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
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