Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 3.5 years 3 years 5 years 4 years 3.5 years 3 years 5 years 4 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Sediments Suspended solids Bacterias Hardness Sediments Suspended solids Bacterias Hardness ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 50 mg/l 150 mg/l 100 mg/l 250 mg/l 50 mg/l 150 mg/l 100 mg/l 250 mg/l 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 0.05 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 The underground sewers are more subjected to Shearing force Compressive force Tensile force Bending force Shearing force Compressive force Tensile force Bending force ANSWER DOWNLOAD EXAMIANS APP
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