Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? The minimum width of septic level is 90 cm The depth of tank is kept equal to its width A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm The depth of tank is kept equal to its width A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The outlet invert level is kept 5 to 7.5 cm below the inlet invert level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 1.5 2 3 2.5 1.5 2 3 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 1 in 100 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known Sewer outfall Lateral sewer Branch sewer House sewer Sewer outfall Lateral sewer Branch sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of Ammonia and nitrogen Organic nitrogen and ammonia All listed here Nitrogen and organic nitrogen Ammonia and nitrogen Organic nitrogen and ammonia All listed here Nitrogen and organic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 75 to 80% 0.85 65 to 70% 70 to 75% 75 to 80% 0.85 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
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