Waste Water Engineering The first stage of neutral process of sludge digestion, is Alkaline fermentation Acid fermentation Acid regression None of these Alkaline fermentation Acid fermentation Acid regression None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Improved version of grit chambers Used to remove the grease and oil Those from which sludge is skimmed out Tanks provided with self- cleansing screens Improved version of grit chambers Used to remove the grease and oil Those from which sludge is skimmed out Tanks provided with self- cleansing screens ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate All of these Surface loading Overflow velocity Overflow rate All of these Surface loading Overflow velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Less than 0.01 mm Greater than 0.1 mm Less than 0.1 mm Less than 0.05 mm Less than 0.01 mm Greater than 0.1 mm Less than 0.1 mm Less than 0.05 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The shape is rectangular Detention period is 2 hours All of these The velocity of flow is restricted to 0.30 m/minute The shape is rectangular Detention period is 2 hours All of these The velocity of flow is restricted to 0.30 m/minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 7 m 5 m 5.5 m 6.5 m 7 m 5 m 5.5 m 6.5 m ANSWER DOWNLOAD EXAMIANS APP
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