JNTU
JNTU B.Tech IV Year ENVIRONMENTAL SANITATION Previous Question Paper (November/December - 2018 - R15)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
Answer all questions. (25 Marks)
What are the water born diseases and how they have to be controlled?
Answer
Water-borne diseases are caused by pathogenic microorganisms transmitted through contaminated water, including cholera, typhoid, dysentery, and giardiasis. Control measures include ensuring safe water supply through proper treatment (filtration and chlorination), protecting water sources from fecal contamination, and promoting personal hygiene and sanitation practices.
How the malaria disease spreads and what measures need to be taken up?
Answer
Malaria is spread by the bite of an infected female Anopheles mosquito, which transmits Plasmodium parasites into the human bloodstream. Measures to control it include eliminating mosquito breeding sites (stagnant water), using insecticide-treated bed nets, applying indoor residual spraying, and wearing protective clothing.
How to bring awareness among public with respect to sanitation.
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What are the best practices to maintain good sanitation with respect to food and milk?
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What is hazardous waste?
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What is radioactivity?
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How the noise impacts the human health?
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What are the noise sources during construction time?
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How the biogas is environmental friendly when compared to fossil fuels?
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How septic tank works?
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Part B
Answer any one full question from each unit. (50 Marks)
What are the water sources for rural water supply?
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How important are the water treatment systems for rural water supply?
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What are the major issues of rural water supply?
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If the ground water source contains any fluoride or nitrate problem, how to solve this issue for supply of safe drinking water in villages?
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What are the unique urban sanitation issues?
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How do you define poor sanitation in hospitals?
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How to maintain the sanitation in public swimming pool?
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How to do pasteurization?
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How to dispose the solid wastes from industries?
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What are the general hazards likely happen in the industry?
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What is the design of an incinerator and what type of waste can be incinerated?
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What type of accidents generally occurs in chemical industries?
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How should level meter works?
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What is noise cancelling head phone and how it works?
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Give the noise pollution norms in India and what is the acceptable noise level?
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How to prevent noise pollution?
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What are the common methods of human fecal matter disposal in India?
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Why the sanitation is very poor in slums?
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How to improve the sanitation conditions in rural and urban slum areas?
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What are the practical problems associated with operation of biogas plant?
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