ENV ENGINEERING_APPSC CE Quiz-2

If Total dissolved solids (TDS) concentration in ground water is 500 ppm. Then find the percentage TDS in ground water

Find pH of water if  ion concentration in water is

A compound that imparts temporary hardness to water:

If pH value solution A is 4 and that of solution B is 6 then the hydrogen ion concentration of solution:

Quality parameters of rain water from different sources are given below:
Water drawn from which of the above sources can be used for drinking without any treatment?

Consider the statement

(i) Iron Bacteria causes tuberculation in pipes and renders water unsuitable for industrial purposes.

(ii) Sulphur Bacteria produces acid during metabolism, which is destructive to concrete and other structure.

(iii) Cholera and Jaundice are diseases caused due to protozoa.

Select correct code:-

If for diluting 25 ml of water sample 175 ml of taste free water is required to be added to make the water sample to just loose its taste, then the threshold odour number (TON) will be:

On which scale the turbidity is measured?

A 50 ml water sample is drawn into an empty dry container whose initial weight found to be 92.345 gm. After oven drying at 103° for 4 hours, its final weight is measured to be 92.368. Find total solids in water in mg/l.