Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 20 m 24 m 30 m 16 m 20 m 24 m 30 m 16 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is 1.5 D 1.75 D 1.15 D 1.25 D 1.5 D 1.75 D 1.15 D 1.25 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by None of these Anaerobic bacteria Aerobic bacteria Both types of bacterias None of these Anaerobic bacteria Aerobic bacteria Both types of bacterias ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, Both silting and scouring occur at the bottom The bottom is silted Neither silting nor scouring occurs at the bottom The bottom is scoured Both silting and scouring occur at the bottom The bottom is silted Neither silting nor scouring occurs at the bottom The bottom is scoured ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.75 m/sec 0.50 m/sec 0.60 m/sec 0.70 m/sec 0.75 m/sec 0.50 m/sec 0.60 m/sec 0.70 m/sec ANSWER DOWNLOAD EXAMIANS APP
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