Water Supply and Waste Water Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 5

Roll No­­­­­­­­­_________

WATER SUPPLY AND WASTE WATER ENGINEERING

4^th Exam /Civil/4451/May’10

                                                             

Duration 3 Hrs.

1.     Fill in the blanks

a.     The field of a well depends mainly upon ______

b.     The cleaning of slow sand fitter is done by ______

c.      AGI pipe has a coating of _______

d.     Chlorination of water is done for _______

e.      Water supply scheme is usually designed for a period of ______

f.       pH value of fresh sewage is expected to be _______

g.     the minimum diameter of server pipe is _______

h.     the gas that is mainly responsible for explosion in sewer is ______

i.       The septic tank should be cleared at regular interval but should not exceed ________

j.       Traps are used in household drainage system to _____

State true or false

k.     Sewage consists of water only and solid matter is hardly present.

l.       The colour of water is measured on well scale.

m.  The aim of disinfection is to kill all the microorganism in water.

n.     Water meter is used to measure the quantity of sewage

o.     Trickling fitters remove  organic matter.

Section –B

Not e: Attempt any ten questions

2.       

a.     List out the factors affecting per capita demand.

b.     Explain about quality and quantity of surface water.

c.      Give the chemical standards of water used for domestic purpose

d.     Explain the functions of sedimentation.

e.      Explain advantages and disadvantages of concrete pipe.

f.       Explain lowering of pipe i.e. water supply pipe into the trench

g.     List out the various fixture used in internal water supply

h.     Explain self cleaning velocity.

i.       Explain advantages and disadvantages of combined system.

j.       Explain sewage sickness.

k.     Explain advantages of tricking fitters.

l.        Explain the aims of building drainage.

Section – C

Note : Attempt any three question

3.       

a.     Explain arithmetic increase method with example

b.     Explain infiltration wells with neat sketch.

4.      

a.     Compare slow sand filter and rapid sand fitter

b.      Explain briefly grid iron distribution system.

5.       

a.     Explain the factors affecting dry weather flow.

b.     Explain manholes, it subjects and location .

6.       

a.     Explain disposal sewage by land treatment

b.     Explain the points should be kept  in mind for house drainage

c.      Explain objectives of screens