Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 1 hour 30 minutes 1 hour and 30 minutes 2 hours 1 hour 30 minutes 1 hour and 30 minutes 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, 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 Both silting and scouring occur at the bottom The bottom is silted ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are All of these Susceptible to corrosion by sulphuric acid Light in weight Not structurally strong to bear large compressive stress All of these Susceptible to corrosion by sulphuric acid Light in weight Not structurally strong to bear large compressive stress ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum diameter of sewers adopted in the designs is 2.0 m 1.0 m 4.0 m 3.0 m 2.0 m 1.0 m 4.0 m 3.0 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Skin cancer Heart disorder Bronchitis Lung cancer Skin cancer Heart disorder Bronchitis Lung cancer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 5 minutes 1 minute 3 minutes 2 minutes 5 minutes 1 minute 3 minutes 2 minutes ANSWER DOWNLOAD EXAMIANS APP
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