Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 7th Sem New 2171302 Air Pollution Control And Management Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2017
Subject Code: 2171302 Date:02/11/2017
Subject Name: Air Pollution Control and Management
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) Construct the cyclone separator with help of its components. 03
(b) Explain the working principle of Gravity settling chamber with
neat sketch.
04
(c) Enlist the cleaning mechanisms of bag filter and explain each
in detail with diagram.
07
Q.2 (a) Define Following terms:
(i) Resistivity (ii) Pressure Drop (iii) Viscosity
03
(b) How to maintain the negative pressure in air pollution control
System?
04
(c) Identify the sources and explain suitable air pollution control
system for Thermal Power Plant.
07
OR
(c) Identify the sources and explain suitable air pollution control
system for cement Industries.
07
Q.3 (a) Classify the SOx Control methods. 03
(b) Differentiate between single and double alkali scrubbing. 04
(c) Explain the magnesium oxide process for control of Sulfur
dioxide with its reaction chemistry.
07
OR
Q.3 (a) Enlist and explain the three opportunities for formation of
NOx.
03
(b) Enlist the Control methods of NOx to reducing the peak
temperature and explain anyone in detail.
04
(c) Write a short note on selective catalytic reduction with its
reaction chemistry and neat sketch.
07
Q.4 (a) Highlight the importance of the Tall stack dispersion 03
(b) Write a short note on hydrocarbon reactivity. 04
(c) Explain working principle of Electrostatic precipitator with
neat sketch.
07
OR
Q.4 (a) Write down the working of conventional internal combustion
engine.
03
(b) Write a note on Crankcase and evaporative emissions. 04
(c) Enlist and explain methods of control of vehicular emissions. 07
Q.5 (a) Define A/F ratio in gasoline engine and also identify the origin 03
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2017
Subject Code: 2171302 Date:02/11/2017
Subject Name: Air Pollution Control and Management
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) Construct the cyclone separator with help of its components. 03
(b) Explain the working principle of Gravity settling chamber with
neat sketch.
04
(c) Enlist the cleaning mechanisms of bag filter and explain each
in detail with diagram.
07
Q.2 (a) Define Following terms:
(i) Resistivity (ii) Pressure Drop (iii) Viscosity
03
(b) How to maintain the negative pressure in air pollution control
System?
04
(c) Identify the sources and explain suitable air pollution control
system for Thermal Power Plant.
07
OR
(c) Identify the sources and explain suitable air pollution control
system for cement Industries.
07
Q.3 (a) Classify the SOx Control methods. 03
(b) Differentiate between single and double alkali scrubbing. 04
(c) Explain the magnesium oxide process for control of Sulfur
dioxide with its reaction chemistry.
07
OR
Q.3 (a) Enlist and explain the three opportunities for formation of
NOx.
03
(b) Enlist the Control methods of NOx to reducing the peak
temperature and explain anyone in detail.
04
(c) Write a short note on selective catalytic reduction with its
reaction chemistry and neat sketch.
07
Q.4 (a) Highlight the importance of the Tall stack dispersion 03
(b) Write a short note on hydrocarbon reactivity. 04
(c) Explain working principle of Electrostatic precipitator with
neat sketch.
07
OR
Q.4 (a) Write down the working of conventional internal combustion
engine.
03
(b) Write a note on Crankcase and evaporative emissions. 04
(c) Enlist and explain methods of control of vehicular emissions. 07
Q.5 (a) Define A/F ratio in gasoline engine and also identify the origin 03
2
of exhaust emissions from gasoline engine.
(b) Give the difference between:
(i) Internal Combustion Engine and External Combustion
Engine
(ii) Two Stroke Engine and Four Stroke Engine
04
(c) Write a brief note on Rotary combustion engine with neat
sketch.
07
OR
Q.5 (a) Which scrubber is efficiently removing the particulate matter?
Draw a neat sketch of that scrubber.
03
(b) What are the sources of Volatile Organic compounds? 04
(c) Describe the performance parameters of Electrostatic
precipitator and explain each in detail.
07
*************
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This post was last modified on 20 February 2020