Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 10 1 in 5 1 in 15 1 in 20 1 in 10 1 in 5 1 in 15 1 in 20 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 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 Less than 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Chemical for lowering B.O.D. Building material Fertilizer Base material for paints Chemical for lowering B.O.D. Building material Fertilizer Base material for paints ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints Test for straightness is carried out with the help of a lamp and mirror All listed here Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints Test for straightness is carried out with the help of a lamp and mirror All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 150 m to 300 m 100 m to 150 m 50 m to 100 m 25 to 50 m 150 m to 300 m 100 m to 150 m 50 m to 100 m 25 to 50 m ANSWER DOWNLOAD EXAMIANS APP