Q. Which of the following is a disadvantage of the zeolite process?

View solution

Q. The zeolite process is unsuitable for water containing iron and manganese.

View solution

Q. Iron and Manganese are generally present in water supplies as ____________

View solution

Q. What concentration of iron and manganese will cause unpleasant taste and odor of water?

View solution

Q. The presence of Sulfate iron in the water results in ____________

View solution

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