Download GTU BE/B.Tech 2019 Winter 8th Sem New 2181707 Instrumentation For Agriculture And Food Processing Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VIII (New) EXAMINATION — WINTER 2019

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Subject Code: 2181707 Date: 21/11/2019
Subject Name: Instrumentation For Agriculture And Food Processing
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain in detail the necessity of instrumentation and control in agriculture and food processing. [03]
(b) What is Remote Sensing and how it is useful in agriculture? [04]
(c) Explain how SCADA and PLC are applied in packing industry. [07]

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Q.2 (a) Explain Green house [03]
(b) State 4 points of advantages and disadvantages of biosensors used for agriculture [04]
(c) Explain in detail soil moisture sensor [07]
OR
(c) Explain in detail temperature measurement technique used in agriculture. [07]

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Q.3 (a) Draw a neat process flow diagram of juice extraction plant [03]
(b) Explain principle and working of pH meter [04]
(c) What is tidal energy? Explain with a neat sketch working of a tidal power plant. [07]
OR
Q.3 (a) Draw a neat process flow diagram of fermentor plant [03]

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(b) Explain principle and working of conductivity meter [04]
(c) What is solar energy? Describe with the help of a near sketch the working of a solar plant. [07]

Q.4 (a) Explain evapotranspiration. [03]
(b) Explain concept of downstream canal control [04]
(c) Explain how SCADA and PLC are applied in packing industry. [07]

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OR
Q.4 (a) Give 3 points-of comparison between conventional and non-conventional energy sources [03]
(b) Explain concept of upstream canal control [04]
(c) Explain in detail measurement and instrumentation of 7 parameter in agro-metrological weather station [07]

Q.5 (a) How does temperature change effect in green house? [03]

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(b) List out any 4 instruments used in dairy plant automation and explain principle, construction and working of any 1 among them. [04]
(c) Explain in detail automation in drip irrigation [07]
OR
Q.5 (a) How does humidity change effect in green house? [03]
(b) List out 4 instruments used in oil extraction plant automation and explain principle, construction and working of any 1 among them. [04]

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(c) Explain in detail construction, working and automation in cotton picker machine. [07]

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