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1997 Course Agriculture Electronics (Elective II)

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Total No. of Questions : 10] P1147 [Total No. of Pages : 2 [3664]-37 B.E. (E & TC) AGRICULTURE ELECTRONICS (Elective - II) (1997 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers of the two sections should be written in separate answer books. 3) Figures to the right indicate full marks. 4) Neat diagrams must be drawn wherever necessary. 5) Use of log tables, slide rule, Mollier charts, steam tables is allowed. 6) Use of non programmable scientific calculator is allowed. 7) Use of electronic gazettes like mobile phone, diary etc. not allowed. 8) Assume suitable data if necessary. 9) Figures to right indicate full marks. SECTION - I Q1) a) Explain concept of absolute and relative humidity, how humidity of the soil can be tested? [8] b) How pH of a liquid material is measured in a laboratory? What is necessity of pH measurement for food in process industry. [8] Q2) a) Give details and specifications of transducer used for soil conductivity measurement, explain instrument used with help of simple block diagram. [8] b) How turbidity is measured in a laboratory? What is necessity of turbidity measurement of a water used for irrigation through suitable watering system? [8] Q3) a) Prepare a flow chart for milk processing in a dairy for distribution of milk in urban area. [8] b) Explain the layout of milk processing plant, with special reference to inwards inventory. [8] Q4) a) Give the details of various methods to measure the wind speed which may affect the green house environment. [8] b) Explain systems developed related to transport of processed milk or products of green house to the distribution or air lift centers. [8] P.T.O. Q5) Write short notes on any three : [18] a) Soil testing in laboratory, explain instruments used for soil testing. b) Explain scheme of oil/milk packing in a plastic bags with automation. c) Conventional and advance techniques for drying agriculture products. d) Need of pipeline milking machine for a milkman. e) Use of wind speed record for wind mills. SECTION - II Q6) a) Explain selection process of pump motors for water irrigation of fields. [8] b) Give details of protection systems for a single phase and motors used in drip irrigation. [8] Q7) a) Explain, how electronics systems can be adopted for control drip water irrigation and related pipeline issues. [8] b) Explain power generation with the help of roof top wind mill based systems features and drawbacks. [8] Q8) a) Explain the wireless system features of Rain Fall measurement in water catchments area of a water Dam. [8] b) Explain need of a tissue culture labs. [8] Q9) a) Explain methods of water flow measurement in water cannels to agriculture fields. [8] b) Give details of green house gases and their effect on agriculture farming. [8] Q10) Write short note on any three : [18] a) Export oriented flora base for rose cultivation and export. b) Light intensity measurement on agriculture fields and its necessity. c) Wind mill power and solar cell generated power. d) Water pump control and protection needs in remote field irrigation. e) Give details water irrigation system for a fields through microcontroller based system. xxxx [3664]-37 2

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