The disposal of sewage from the septic tank is done by which of the following?
Explanation: Soak pit is a circular pit through which sewage is disposed in the soil.
The detention period of a septic tank is
Explanation: The septic tank has a long detention period in comparison to sedimentation than with a detention period of 12 to 36 hours.
The concentration of biodegradable organic matter after the septic tank is
Explanation: The effluent contains 200-250 ppm of biodegradable organic matter after the treatment from the septic tank.
What is the maximum design flow of sewage in a septic tank?
Explanation: The design flow of sewage in a septic tank lies between 40 to 70 liters per person per day
Which of the following is not the method of disposal of sewage from septic tank?
Explanation: Vacuum filter is used in the sludge dewatering process and upflow anaerobic filter, soil absorption system and biological filter are the method of disposal of sewage from the septic tank.