Waste Water Engineering In septic tanks, All listed here The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm All listed here The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Brick sewer Cast iron sewer Lead sewer R.C. sewer Brick sewer Cast iron sewer Lead sewer R.C. sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Parallel to the direction of flow None of these At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/(L × D) Q/(B × L) Q/L Q/(B × D) Q/(L × D) Q/(B × L) Q/L Q/(B × D) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge ANSWER DOWNLOAD EXAMIANS APP
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