Q. Which of the following methods are not used for the dispersion of the effluent out of a septic tank?

View solution

Q. During the disposal of the sludge, it must be ______

View solution

Q. What is the amount of water used per person per day for flushing?

View solution

Q. The first chamber in a septic tank should be at least ______ of the total length.

View solution

Q. Which of the following reasons is correct with respect to the need of providing baffle walls?

View solution

Q. What are the product gases of anaerobic digestion?

View solution

Q. What is the mixture of methane and carbon-dioxide of anaerobic digestion called?

View solution

Q. Effluent sewer is also called as ______

View solution

Q. Gravity systems are preferred over pumping systems for the flow of wastewater.

View solution

Q. What is the function of two tanks provided in septic tank systems?

View solution

Q. The longer the water is held in the tank, the better the treatment.

View solution

Q. Large amount of wastewater constantly produced _________ the treatment time of wastewater in a septic tank.

View solution

Q. ______ is called effluent.

View solution

Q. What is the common effluent pipe from each house to a collection point called?

View solution

Q. ______ allow the water to soak into the ground.

View solution

Q. Oil and grease is the presence of inorganics in wastewater.

View solution

Q. The surfactants have ______ chains.

View solution

Q. Lipophilic end is water liking.

View solution

Q. The lipophilic end ______

View solution

Q. What is the size of the oil droplets?

View solution