Download GTU BE/B.Tech 2019 Winter 5th Sem New 2151302 Advanced Environmental Instrumentation Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem New 2151302 Advanced Environmental Instrumentation Previous Question Paper

Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? V (New) EXAMINATION ? WINTER 2019
Subject Code: 2151302 Date: 21/11/2019

Subject Name: Advanced Environmental Instrumentation
Time: 10:30 AM TO 01:00 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) Define pH. Draw a neat sketch of pH electrode. 03
(b) Give significance of ?Advanced Environmental Instrumentation? in
environmental engineering field.
04
(c) Write a note on instrumental method of turbidity measurement. 07

Q.2 (a) Explain principle of flame photometer with neat sketch. 03
(b) Differentiate between Flame Photometer and Atomic Absorption
Spectroscopy.
04
(c) State and explain the working principle of Raman spectroscopy with
neat sketch.
07
OR
(c) Explain the working principle of Infrared spectroscopy with neat
sketch.
07

Q.3 (a) What is chromatography? Give classification of chromatographic
methods.
03
(b) State principle of ion chromatography. Highlight its application. 04
(c) Enlist components of Gas Chromatography and explain its working
principle with neat sketch.
07
OR
Q.3 (a) Explain the principle of gas chromatography. 03
(b) State principle of Adsorption Column Chromatography. Highlight its
application.
04
(c) Write a note on High Performance Liquid Chromatography. 07



Q.4 (a) Write down the applications of Spectrophotometer and Flame Photo
meter.
03
(b) Explain accuracy and precision with example. 04
(c) Explain the components of Ion Selective Electrode with neat sketch. 07
OR
Q.4 (a) Write down the applications of Ion selective electrode. 03
(b) Explain determinate and indeterminate error with example. 04
(c) List down components of Flame photometer. Explain each
component..
07

Q.5 (a) Define Beer?s law and Lambert?s law. Give its application. 03
(b) Write down the applications of High Performance Liquid
Chromatography
04
(c) Write a note on TOC analyzer. 07
OR
Q.5 (a) State the principle of UV-Visible Spectrophotometer and draw a neat
sketch .
03
(b) Define: Mean, Median, standard deviation & Precision 04
(c) What is polarography? Explain the online DO meter with neat sketch. 07
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