Download GTU BE/B.Tech 2019 Winter 6th Sem New 2161711 Environmental Instrumentation Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 6th Sem New 2161711 Environmental Instrumentation Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VI (New) EXAMINATION ? WINTER 2019
Subject Code: 2161711 Date: 12/12/2019

Subject Name: Environmental Instrumentation

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

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

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
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
(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
OR
Q.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
(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
(c) Explain in detail principle, construction and working of High Performance
Liquid Chromatography with a neat figure
07
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