1. 1) Define distribution system? What are the several requirement of distribution system
2) Write down the essential element of water supply with sketch
3) Write down type of water distribution system
4) Write down the assumption of hardy cross method
5) What are the factor affecting per capita consumption of water
6) Write down the method for predicting population
7) Write down the types of water quality parameters
8) Write down different water quality parameter according to WHO & BD standard
9) Write down common method of water treatment
10) Show water treatment process with neat sketch
11) WHAT do you mean by hard water & soft water
12) What do you mean by softening of water
13) Write down about coagulation & flocculation
14) What do you mean by Disinfection ?Write down types of disinfection
15) What do you mean by chlorination. Draw the typical chlorination curve
16) What do you mean by pre-chlorination and post-chlorination
17) What do you by break point chlorination and chlorine demand
18) Write down the removal process of arsenic
19) Write down the removal process of iron
20) Write down the removal process of hardness
21) What do you mean by water hammer & cavitation
22) Write down types of collection system of sewerage
23) Define COD & BOD? Why COD is greater than BOD.
24) What do you mean by hunter curve