Related Questions

The alum, when added as a coagulant in water
What is the ratio of Alum/Phosphate while adding alum to a waste water in order to remove the phosphates present?
Which type of mixers are used to mix coagulants like alum, ferric ammonium sulphate and coagulant aids such as polyelectrolyte and lime?
The amount of coagulant needed for coagulation of water increases with
(i) Increase in turbidity of water
(ii) Decrease in turbidity of water
(iii) Increase in temperature of water
(iv) Decrease in temperature of water
The correct answer is
The digitization process i.e. the digital image has M rows and N columns, requires decisions about values for M, N, and for the number, L, of max gray levels is an integer power of 2 i.e. L = 2k, allowed for each pixel. If we assume that the discrete levels are equally spaced and that they are integers then they are in the interval __________ and Sometimes the range of values spanned by the gray scale is called the ________ of an image. and static range respectively b) and dynamic range respectively c) and static range respectively d) and dynamic range respectively
Alum is effective when pH of water is between ____
What is the formula of virtual effective diameter in case of unified threads? . b) Simple effective diameter – . c) Simple effective diameter + . d) Simple effective diameter – .
The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated.
The most widely used coagulant for removing suspended impurities from water is
Most widely and commonly used coagulant for the removal of suspended impurities in water is