Waste Water Engineering In septic tanks, The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided All listed here The baffles or tees are extended up to top level of scum The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided All listed here The baffles or tees are extended up to top level of scum 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 0.05 mm Less than 0.1 mm Less than 0.01 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.1 mm Less than 0.01 mm 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 Oxygen Hydrogen sulphide Carbon dioxide Methane Oxygen Hydrogen sulphide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The small sewers are cleaned by Wooden pills Cane rodding None of these Flushing Wooden pills Cane rodding None of these Flushing ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow velocity All of these Surface loading Overflow rate Overflow velocity All of these Surface loading Overflow rate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 25 to 50 m 50 m to 100 m 100 m to 150 m 150 m to 300 m 25 to 50 m 50 m to 100 m 100 m to 150 m 150 m to 300 m ANSWER DOWNLOAD EXAMIANS APP