Q. The reddish tinge in the water is due to the presence of ____________

View solution

Q. The brown tinge in the water is due to the presence of ____________

View solution

Q. By aeration process, dissolved iron is oxidized into ____________

View solution

Q. By which process dissolved manganese compounds can be converted into insoluble manganese compounds?

View solution

Q. For removal of iron from water ________ mg of oxygen is required.

View solution

Q. For removal of manganese from water ________ mg of oxygen is required.

View solution

Q. Removal of manganese from water takes place at a pH of ______

View solution

Q. When small amounts of iron and manganese are present in water, they are removed by ____________

View solution

Q. Removal of iron from water takes place at a pH of ______

View solution

Q. The taste produced by a microorganism, can be controlled by ____________

View solution

Q. Which of the following regarding ozonation is incorrect?

View solution

Q. Which of the following is used for the control of taste and odor in water?

View solution

Q. Granular activated carbon has a surface area of ____________

View solution

Q. _______ is produced by passing a carbonaceous material through a heating mechanism at high temperature.

View solution

Q. Which of the following is a carbonaceous material?

View solution

Q. Which of the following is not a property of activated carbon?

View solution

Q. The thickness of the activated carbon filter bed is ____________

View solution

Q. When activated carbon is applied at more than one point, then it is called ________

View solution

Q. Activated carbon in powder form is applied in the mixing basin.

View solution

Q. Activated carbon can be applied to raw water ______ treatment process.

View solution