Water Supply and Waste Water Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 2

Roll No­­­­­­­­­_________

WATER SUPPLY AND WASTE WATER ENGINEERING

4^th Exam /Civil/5108/May’08

                                                             

Duration 3 Hrs.

1.     Fill in the blanks.

a.     In India water consumption per capita per day is ______ liters for domestic use

b.     Sub surface water is free from____

c.      Alum is used for _________

d.     Turbidity is due to ________ impurities.

e.      GI pipes are used for ______

f.       Sewerage is _______ waste of the community.

g.     Dry weather flow is also called ________

h.     Masonry sewers are  used for ______ sizes.

i.       In India, generally _________ sewerage system is used.

j.       The pope installed for ventilation purpose is called _______

State true or false.

k.     The privy pit should not be closed with sullage  

l.       Night soil means human excretes.

m.  Aerobic bacteria exist in the presence of light.

n.     The treatment , which works on the Principe of biological , is called primary treatment.

o.     Bonding rod is used for checking the gradient of sewer

Note : attempt any ten questions

2.              

a.     What do you mean by per capita demand?

b.     What is breakpoint chlorinates?

c.      When water  said to be potable?

d.     Differentiate between domestic sewage and industrial sewage

e.      Explain D.W.F

f.       Differentiate between infiltrates and galleries

g.     Write importance of B.O.D

h.     What is the difference between sulage and sewage ?

i.       What do you mean by gully trap and why it is provided?

j.       What is back filling?

k.     Why cesspool is preferred?

l.       What is the importance testing a sewer?

Note : Attempt any three questions

3.     Define the various types of impurities in water and discuss their effects.

4.     What do you mean continuous and intermittent supply system of water? Compare both the systems with respect to their merits and demerits

5.     Differentiate between a separate system and a combined system of sewage along with their advantages and disadvantages.

6.     Explain activated sludge by drawing a flow diagram along with merits and demerits of the system.