GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Name:Advance Environmental Instrumentation
Time:10:30 AM TO 12:30 PM Total Marks: 56
3. Figures to the right indicate full marks.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020
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Subject Code:3151302 Date:01/02/2021Subject Name:Advance Environmental Instrumentation
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
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- Give the modern classification of chromatographic techniques with one example of each. (3)
- Write a short note on pH meter (4)
- What is Advanced Environmental Instrumentation? What is its Importance? (7)
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- Draw the figure of pH electrode and explain its working principle (3)
- Give the difference between visible and instrumental method for measurement of turbidity. (4)
- Explain the working principle and operation of each unit of Nephelo turbidity meter with neat sketch. (7)
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- Explain the conductivity meter. (3)
- Explain the merits of gas chromatography. (4)
- Derive and explain Lambert’s and Beer’s law (7)
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- What do you mean by Online sensors? (3)
- List down components of Flame photometer. Explain each component. (4)
- State the applications of High Performance Liquid Chromatography. (7)
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- Explain the Principle of UV — Visible Spectroscopy with it’s applications in Environmental Engineering. (3)
- Describe the Double Beam UV — Visible Spectrophotometer with neat sketch. (4)
- Explain the working principle and operation of each unit of High Performance Liquid Chromatography with sketch. (7)
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- Write applications of Potentiometry. (3)
- Discuss the application of TOC analyzer in environmental engineering field. (4)
- Explain in detail sensor method for determination of dissolved oxygen. (7)
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- Enlist the types of Detectors used in Spectroscopy. (3)
- Write down the application, advantages and disadvantages of Ion Selective Electrode. (4)
- Explain the working principle and operation of each unit of Colorimeter with sketch. (7)
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- Differentiate between Accuracy and precision with example (3)
- Define the types of determinate errors with at least one example of each. (4)
- Define the following terms in detail: (i) Mean (ii) Medium (iii) Range (iv) Average Deviation (v) Relative average deviation (vi) Standard deviation (vii) Co-efficient of variation. (7)
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