Waste Water Engineering Traps Create symphonic action to increase the quick disposal of sewerage Dissolve the foul gases Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers Create symphonic action to increase the quick disposal of sewerage Dissolve the foul gases Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 10 cm 15 cm 25 cm 20 cm 10 cm 15 cm 25 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is alkaline It is acidic None of these It is neutral It is alkaline It is acidic None of these It is neutral ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The velocity of flow is restricted to 0.30 m/minute All of these Detention period is 2 hours The shape is rectangular The velocity of flow is restricted to 0.30 m/minute All of these Detention period is 2 hours The shape is rectangular 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 If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is 3 hours 5 hours 2 hours 4 hours 3 hours 5 hours 2 hours 4 hours ANSWER DOWNLOAD EXAMIANS APP
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