CE Quiz 9

In industrial cities the maximum and  normal per capita water requirements are

A sedimentation tank is to be designed to treat one lakh cum of water per day. If the settling velocity of the particles to be removed is 40 m/day then area of the tank required is?

The reservoir should be designed for storage capacity equal to

Flocculation is the process of

The maximum daily demand of a city is 12 x 10⁵ and the rate of filtration is 50 per litre per hour per m². What is the area of the filter?

The measured pH values of incoming and outgoing water at a water treatment plant are 7.3 and 8.5 respectively. What is the average pH of water, assuming linear variation of pH with time?

Which of the following is the result of disinfection of water?

Which one of the following is most important parameter for the removal of discrete particles in design of continuous flow rectangular sedimentation tank?

Which one of the following filters will produce water of higher bacteriological quality?

Which of the following process includes chlorination of water above the break point?