Download PTU B-Tech CE 2020 Dec 5th Sem 70516 Environmental Engineering I Question Paper

Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (CE)- Civil Engineering 2020 December 5th Sem 70516 Environmental Engineering I Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CE) (2012 to 2017) (Sem.?5)
ENVIRONMENT AL ENGINEERING?I
Subject Code : BTCE-505
M.Code : 70516
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
has to attempt any FOUR qu estio ns.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
Write a short note on hardness of water.
2.
Define chlorination and fluoridation.
3.
How slow sand filter differ from a rapid sand filter?
4.
What are the causes for variations in water demand?
5.
Write a short note on Aquifer.
6.
Why drinking water should possess a high degree of purity?
7.
Define population forecasting.
8.
Discuss intermittent and continuous water supply.
9.
What are the chemicals which are used as disinfectants?
10. What are indicator organisms?
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SECTION-B
11. What are the different materials which are commonly used for the water supply pipes?
Discuss their comparative merits and demerits.
12. Describe with a neat sketch the working of a pressure filter.
13. Compute the fire demand for a city having population of 140,000 using
(a) Kuichlings formula
(b) Bustons formula
14. Define Base Exchange process. How will you treat swimming pool water?
15. Draw a neat sketch of sedimentation tank in which coagulant is used and briefly explain
the process.
SECTION-C
16. Write short notes on :
(a) Coli form Index and E-coli.
(b) Most Probable Number (M.P.N.)
17. What are the two major types of sources of water supplies? Discuss the comparative
merits and demerits of both these types of sources.
18. Mention different types of pumps used in water works practice and explain their merits
and demerits.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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