2761Civil EngineeringMedium
Which one of the following statements regarding septic tanks is wrong?
AThe depth of tank is kept equal to its width
BA gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided
CThe minimum width of septic level is 90 cm
DThe outlet invert level is kept 5 to 7.5 cm below the inlet invert level
Correct answer
A. The depth of tank is kept equal to its width
Explanation
The correct answer is The depth of tank is kept equal to its width.