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

Roll No­­­­­­­­­_________

WATER SUPPLY AND WASTE WATER ENGINEERING

4^th Exam /Civil/4451/May’09

                                                             

Duration 3 Hrs.

1.     Fill in the blanks

a.     The demand of water will be ______ if the population increases.

b.     Coagulation is needed when the size of the  particle is ______

c.      Slow and fillers requires _______ area

d.     Minimum cover for a water supply pipe line should be ______

e.      Units of turbidly are ______

f.       BOD is measure to find out the _______ of sewage

g.     Screens are usually laid at an angle of ______

h.     The pipe installed for ventilation purposes is called ________

i.       European style water closet is also  called ______

j.       The sedimentation tanks located just after the grit chamber are called _______ clarifiers.

State true or false

k.      Contaminated water is used for drinking purpose.

l.       The physical impurities give taste , odour, colour and libidlity.

m.  G.I pipers are used for service connections

n.     Anaerobic bacteria exist  in the  absence of oxygen.

o.     The leakage of sewage from the sewer into the soil is called infiltration.

Section –B

Note : Attempt any ten questions

2.       

a.     What do you mean by pet capita demand?

b.     How the bedding for a pipe line should be made?

c.      What do you mean by limiting velocity.

d.     Define back falling.

e.      Define chlorination and chorine demand.

f.       What are various joint sin pipes? Explain

g.     Draw a plan of a building and show on it the line diagram indicating water supply connections.

h.     What is the difference between sewage and sullage.

i.       What do you mean by handling of sewers.

j.       Differentiate between separate and combined sewerage system.

k.     Differentiate between conservancy and carriage system.

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

Section-C

Note : Attempt any three questions

3.       

a.     What are the advantages and disadvantages of intermittent system of water supply.

b.     Explain various water supply distribution methods.

4.     Describe the construction, working principle and operation of rapid sand filter.

5.     What is bulling drainage? Write in detail the requirement of an efficient building drainage

6.     What are various sewer appurtenances used in a sewerage system and state the location.