Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 5th Sem New 2151302 Advanced Environmental Instrumentation Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?V (NEW) EXAMINATION ? WINTER 2018
Subject Code:2151302 Date:20/11/2018
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
MARKS
Q.1 (a) Explain the following terms:
i. Coefficient of variation ii. Spectroscopy iii. Precision iv. Mean
v. Conductivity vi. Chromatography.
03
(b) Differentiate between Visual and Instrumental method of turbidity
measurement.
04
(c) Differentiate between UV ? Visible Spectrophotometer and Atomic
Absorption Spectrophotometer.
07
Q.2 (a) Draw the figure of pH electrode and explain its working principle 03
(b) Explain the working principle of conductivity meter with neat sketch. 04
(c) With the help of neat sketch explain components of Ion Selective electrode. 07
OR
(c) What is polarography? Explain the online DO meter with neat sketch. 07
Q.3 (a) Highlight the application of Gas Chromatography 03
(b) Describe the Double Beam UV ? Visible Spectrophotometer with neat
sketch.
04
(c) Explain the principle of Nephelometer. With the help of neat sketch explain
its components.
07
OR
Q.3 (a) Explain the Principle of UV ? Visible Spectroscopy with it?s applications in
Environmental Engineering.
03
(b) Explain the Lambert and Beer?s Law in brief. 04
(c) Enlist the types of Detectors used in Spectroscopy. Explain Flame
Ionization Detector in detail.
07
Q.4 (a) Discuss the use of Spectroscopy in Environmental Engineering Field. 03
(b) State the Principle of IR Spectroscopy with its instrumentation and neat
sketch.
04
(c) Describe the Principle and Instrumentation of Gas Chromatograph with neat
sketch
07
OR
Q.4 (a) What is Chromatography? Give classification of the chromatographic
methods.
03
(b) Write down the application of Ion selective electrode 04
(c) Explain the components and working of Atomic Absorption Spectrometer in
detail.
07
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
www.FirstRanker.com
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?V (NEW) EXAMINATION ? WINTER 2018
Subject Code:2151302 Date:20/11/2018
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
MARKS
Q.1 (a) Explain the following terms:
i. Coefficient of variation ii. Spectroscopy iii. Precision iv. Mean
v. Conductivity vi. Chromatography.
03
(b) Differentiate between Visual and Instrumental method of turbidity
measurement.
04
(c) Differentiate between UV ? Visible Spectrophotometer and Atomic
Absorption Spectrophotometer.
07
Q.2 (a) Draw the figure of pH electrode and explain its working principle 03
(b) Explain the working principle of conductivity meter with neat sketch. 04
(c) With the help of neat sketch explain components of Ion Selective electrode. 07
OR
(c) What is polarography? Explain the online DO meter with neat sketch. 07
Q.3 (a) Highlight the application of Gas Chromatography 03
(b) Describe the Double Beam UV ? Visible Spectrophotometer with neat
sketch.
04
(c) Explain the principle of Nephelometer. With the help of neat sketch explain
its components.
07
OR
Q.3 (a) Explain the Principle of UV ? Visible Spectroscopy with it?s applications in
Environmental Engineering.
03
(b) Explain the Lambert and Beer?s Law in brief. 04
(c) Enlist the types of Detectors used in Spectroscopy. Explain Flame
Ionization Detector in detail.
07
Q.4 (a) Discuss the use of Spectroscopy in Environmental Engineering Field. 03
(b) State the Principle of IR Spectroscopy with its instrumentation and neat
sketch.
04
(c) Describe the Principle and Instrumentation of Gas Chromatograph with neat
sketch
07
OR
Q.4 (a) What is Chromatography? Give classification of the chromatographic
methods.
03
(b) Write down the application of Ion selective electrode 04
(c) Explain the components and working of Atomic Absorption Spectrometer in
detail.
07
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
www.FirstRanker.com
2
Q.5 (a) Explain the oxidation method used in closed loop type of TOC analyzer. 03
(b) Highlight the application of each type of TOC analyzer 04
(c) Explain the principle on which TOC analyzer works. Enlist different types of
flow through TOC analyzer and draw a sketch. Explain different oxidation
methods used in them.
07
OR
Q.5 (a) Differentiate between Accuracy and precision with example 03
(b) Differentiate between Determinate and Indeterminate Error with example 04
(c)
The following are results of absorbance of 30 sample with same absorbance
obtained using spectrophotometer:
0.441 , 0.445 , 0.447 , 0.449 , 0.450 , .450 , 0.451 , 0.452, 0.453 , 0.453 ,0.454 ,
0.455 , 0.456 , 0.456 , 0.457 , 0.458 , 0.458 , 0.459 ,0.459 , 0.460 , 0 .461 , 0 .461 ,
0 .466 , 0 .468 , 0.470 ,0.472 ,0.475, 0.455, 0.458, 0 .461
Draw the frequency distribution polygon for above data.
07
*************
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
This post was last modified on 20 February 2020