8/17/2019 AL 2456 BArch Sem VII 5y Environmental Services I.pdf

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L 2456

B.Arch. Seventh Semester CGS)

Environmental Services I

7 AR 02

P Pages : 3

Time : Three Hours

ax. Marks : 80

Note : 1. All questions are compulsory.

2. Answer four questions.

3. Question

no 1

is compulsory.

1. rite

any four

terms explaining each with

sketches -

0

i)

Septic tank.

ii )

Recharge pit.

iii)

Cesspool.

iv ) Sources of water supply.

v) Infiltration well.

v i)

Oxidation pond.

vii)

Eco-sanitation methods.

viii)Aeration of water.

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2

i) Explain chemical pollution of water and various

sources of chemical pollution. Now will you

carry out disinfection of water ?

ii) Describe briefly with sketches, how will you

carry out, the roof water harvesting for different

type of roots ?

OR

3 i)

escribe with neat sketches the various

methods adopted for disposal of sewage in a

unsewared locations ?

ii) Briefly explain the process of production of

vermicompost. •

4. i

Describe with neat sketches, the working of

Refuse-Chute.

ii )

What is Bio-gas ? Write in brief about the

production process

iii)

Describe with neat sketches the storm water

disposal ?

OR

5 hat is meant by 'Sewage sickness'.

ii )

State the preventive measures to be adopted to

avoid the water pollution ?

iii)

What is Sewage ? Describe the three basic

process of sewage treatment.

6 i) State the importance of water storage

reservoirs.

ii )

State the points be consider while locating the

sewage treatment plant.

iii)

Describe with neat sketches the natural

methods of sewage disposal ? State their

merits demerits.

OR

7

i)

xplain the system of water supply.

ii )

Flow physical pollution of water takes place.

iii)

Describe with neat sketches of various process

adopted for the purification of water.

41**

 

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