JNTU
JNTU B.Tech IV AGRO INDUSTRIES AND BIPRODUCT UTILIZATION 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
Write about various grades of silica.
Answer
Silica is categorized into crystalline silica (such as quartz, cristobalite, and tridymite) and amorphous silica (such as silica gel, precipitated silica, and pyrogenic silica). In agricultural byproduct utilization, rice husk ash is a primary source of amorphous silica.
What are the characteristics of rice husk?
Answer
Rice husk is characterized by high silica content (15-20%), high cellulose and lignin content, low bulk density, and high abrasive nature. It is highly resistant to moisture absorption and biological degradation due to its hard, protective outer layer.
What is application of filter mud?
Answer
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What is mango flour?
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What is COD?
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What is flaking?
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What is lagoon crusting?
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Write about advantages of aerobic treatment
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What is Agro processing Industry?
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Explain the principle of briquetting.
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Part B
With flow chart explain production process of porcelain from rice husk.
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Write about process of production of pure silica and silicon from rice husk.
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Write about the furnace design for cyclone furnace and inclined grate furnace.
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Explain process of banana pectin production from peel.
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Explain about different CSNL extraction techniques.
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Explain process of sugarcane wax preparation.
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Explain about shelling process of cashew nut.
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With flow chart explain about continuous feed processing systems.
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Explain procedure in detail to determine dissolved oxygen (DO).
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Write about determination of BOD with seed material.
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What are the factors affecting for storage of manures and slurries?
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With diagram explain about waste treatment lagoon alternatives.
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Explain about anaerobic lagoon process.
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Explain different types of aeration systems in waste treatment process.
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With neat sketch explain about manual operated briquetting machine.
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What are the factors affecting in establishing agro industry in rural areas?
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