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 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/4 D/3 D/1 D/2 D/4 D/3 D/1 D/2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 5 15 10 20 5 15 10 20 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 75 to 80% 70 to 75% 0.85 65 to 70% 75 to 80% 70 to 75% 0.85 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Settleable solids None of these Dissolved solids Suspended solids Settleable solids None of these Dissolved solids Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sludge does not contain waste water from Wash basins Toilets Kitchen sinks Bath rooms Wash basins Toilets Kitchen sinks Bath rooms ANSWER DOWNLOAD EXAMIANS APP