Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 100 1 in 120 None of these 1 in 60 1 in 100 1 in 120 None of these 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Tanks provided with self- cleansing screens Those from which sludge is skimmed out Used to remove the grease and oil Improved version of grit chambers Tanks provided with self- cleansing screens Those from which sludge is skimmed out Used to remove the grease and oil Improved version of grit chambers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 3 2.5 1.5 2 3 2.5 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The minimum width of septic level is 90 cm The outlet invert level is kept 5 to 7.5 cm below the inlet invert level A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The minimum width of septic level is 90 cm The outlet invert level is kept 5 to 7.5 cm below the inlet invert level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which received discharge from two or more main sewers, is known as An outfall sewer An intercepting sewer A main sewer A trunk sewer An outfall sewer An intercepting sewer A main sewer A trunk sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers Top of smaller sewer is kept lower None of these Tops of both the sewers are at the same level Top of larger sewer is kept lower Top of smaller sewer is kept lower None of these Tops of both the sewers are at the same level Top of larger sewer is kept lower ANSWER DOWNLOAD EXAMIANS APP
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