GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VI (New) EXAMINATION - WINTER 2019
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Subject Code: 2161711 Date: 12/12/2019
Subject Name: Environmental Instrumentation
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Explain the necessity of instrumentation and control for environment. [03]
(b) How does quality of water effects environment? [04]
(c) Explain gas chromatography hardware with the help of a schematic diagram. [07]
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Q.2 (a) List and give a detailed classification of raw water sources in nature. [03]
(b) List 4 parameters considered for selection of analytical methods for laboratory analysis of wastewater and groundwater samples [04]
(c) Explain in detail design considerations for opacity monitors [07]
OR
(c) State and explain the practical criteria which downhole instrumentation for ground water monitoring must possess. [07]
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Q.3 (a) Define water sampler and explain uses of sampling systems. [03]
(b) State any 4 subsystem components of commercially available automatic water samplers. [04]
(c) Explain in detail general guidelines for site selection for obtaining wastewater samples [07]
OR
Q.3 (a) State and explain 2 factors affecting selection of multiple v/s single site for sample collection of wastewater. [03]
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(b) State the fields (for sample identification) which should be present on the sample for its identification [04](c) Explain in detail how level will be measured in an Anaerobic Digester in waste water treatment plant [07]
Q.4 (a) List various techniques through which CO2 analysis can be done [03]
(b) Define Sewers, Sanitary sewers, collection sewers and combined sewers. [04]
(c) Discuss about various primary and secondary ambient air quality standards [07]
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ORQ.4 (a) State the flows (items/things) which are included in open channel flow [03]
(b) List and explain various categories of air measuring devices. [04]
(c) State any 14 features which may be found on advanced analyzers. [07]
Q.5 (a) Explain types of flumes [03]
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(b) Explain the 2 types of spot flow measurement technique for open channel measurement [04](c) Explain in detail Hot wire anemometer [07]
OR
Q.5 (a) List various gases present in flue gases coming out of thermal power plant. [03]
(b) Explain design criteria for settling tank. [04]
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(c) Explain in detail principle, construction and working of High Performance Liquid Chromatography with a neat figure [07]--- Content provided by FirstRanker.com ---
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