1(a)
Discuss the need for protected water supplu.
8 M
1(b)
Explain the various factors that govern the selection of a particular source of water in formulating a town or city water supply scheme.
6 M
1(c)
Explain water bome diseases. What are the precautionary measures to be taken for control of the communicable diseases?
6 M
2(a)
What are the advantages and disadvantages of centrifugal pumps and reciprocating pumps?
6 M
2(b)
Explain the following : i) Plain chlorination ii) Break point chlorination
iii) Super chlorination.
iii) Super chlorination.
6 M
2(c)
Distinguish between fluoridation and defluoridation. Explain any one method of defluridation in detail.
8 M
3(a)
Briefly explain the following methods of Might soil disposal with neat sketches:
i) Aqua privy ii) Two - pit latrine.
i) Aqua privy ii) Two - pit latrine.
8 M
3(b)
Explain the Septic Tank with neat sketch . Also Highlight advantages and disadvantages.
7 M
3(c)
With neat sketch, explain soak pit.
5 M
4(a)
Explain : i) Concept of Eco - sanitation ii) Sources of ground water pollution.
10 M
4(b)
What is Rain water harvesting? Explain suitable mehods fo rain water harvesting in rural areas.
10 M
5(a)
Define the following as referred to communicable diseases : i) Epidemic ii) Endemic iii) Vehicle of Infection iv) Vaccination v) Isolation.
10 M
5(b)
Discuss the general mehods of communication of communicable diseases.
10 M
6(a)
Describe the following methods of disposal with advantages and disadvatages:
i) Dumping ii) Incineration iii) Salvaging.
i) Dumping ii) Incineration iii) Salvaging.
10 M
6(b)
Explain with a neat sketch Bio plant in detail.
10 M
7(a)
Explain all the essentials necessary to obtain the objectives of milk sanitation.
8 M
7(b)
Define Pasteurization. Explain any one mehod of pasteurization, with a sketch.
12 M
8(a)
Discuss the different diseases transmitted by the mosquito.
10 M
8(b)
Briefly explain control of nuisance mosquitoes.
10 M
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