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R13
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SET - 1
III B. Tech I Semester Supplementary Examinations, October/November - 2018
AGRICULTURAL PROCESS ENGINEERING
(Agricultural Engineering)
Max. Marks: 70
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Note: 1. Question Paper consists of two parts (Part-A and Part-B)
2. Answering the question in Part-A is compulsory
3. Answer any THREE Questions from Part-B
PART -A
- a) With a neat sketch describe the working principle of a ball mill. [4M]
- b) Write down different mixers used for dry powder and particulate food. [3M]
- c) Describe the working principle of Air screen grain cleaner. [4M]
- d) With a neat sketch describe the working principle of rotary dryer. [4M]
- e) Write down the advantage of paddy parboiling. [3M]
- f) Describe the working principle of bucket elevator. [4M]
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PART -B
- a) Define crushing efficiency. [4M]
b) Describe Bond's law of size reduction and work index. [6M]
c) What would be the critical speed and operating speed of a ball mill having 200 cm diameter charged with 10 cm balls to grind viscous suspension. [6M] - a) Define power number. What are the factors responsible for the power requirement of fluid mixing? [8M]
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b) Describe the working principle of kneader mixer in detail. [8M] - a) Derive an expression for terminal velocity of spherical particle in gravitational field. [9M]
b) What are the design considerations for air screen cleaner? [7M] - a) What is hysteresis effect? [5M]
b) Describe free moisture, bound and unbound moisture. [5M]--- Content provided by FirstRanker.com ---
c) Two tonnes of paddy at 40 % initial moisture content (d.b.) is dried in a dryer to a final moisture content of 20 % (d.b.) in 4 hours. Calculate the average rate of moisture removal. [6M]
FirstRanker's choice
R13
SET - 1
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- a) Describe the working principle of plate and frame filter press. [6M]
b) Describe the dry milling process of pulse milling. [5M]
c) Write down different steps of wheat milling. [5M] - a) Write down the different components of belt conveyor. [6M]
b) A horizontal screw conveyer mounted on a 4cm diameter shaft has screw pitch and diameter both equal to 30cm. Estimate its actual capacity of conveying wheat weighing 850 kg/m³ while operating at 150 rpm. Assume loading efficiency to be 0.4. For a screw length of 8m what horse power motor will be required if the total co-efficient of resistance is 2.5. [10M]
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This download link is referred from the post: JNTU Kakinada B-Tech 1-1 last 10 year question papers 2009 -2019 -All regulation- All branches- 1st Year 1st Sem
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