Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2173513 Newer Waste Water Treatment Systems Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2173513 Date: 03/12/2018
Subject Name: Newer waste water treatment systems
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 characteristics of Membrane Process. 03
(b) Explain in detail mechanism of disinfection. 04
(c) Define the following:
a. Sewage
b. Putrescible Decay
c. Standards
d. Impounded Reservoir
e. Sewerage
f. Invert
g. Advanced Oxidation Process
07
Q.2 (a) Is Ion Exchange applied for removal of Heavy Metals? Justify the same 03
(b) Explain in detail method to Design of sewer. 04
(c) Explain in detail all the technologies to produce Hydroxyl Radical. 07
OR
(c) Explain in detail Softening Process. 07
Q.3 (a) Describe in brief Dissolved Air Floatation. 03
(b) Describe in brief Hydrodynamic Cavitation. 04
(c) Explain in detail all methods of Neutralization. 07
OR
Q.3 (a) Explain Primary Treatment with a neat flow diagram. 03
(b) What is the difference between unit operation and unit process. 04
(c) Explain in detail Activated Sludge Process with its Removal
Mechanism.
07
Q.4 (a) What are Chemical and Physical Agents of Disinfection. 03
(b) Describe in brief Fenton Process. 04
(c) Explain in detail Colloidal Stability with a neat diagram. 07
OR
Q.4 (a) Explain Rapid Sand Filter and Slow Sand Filter. 03
(b) What are the factors affecting Adsorption Process. 04
(c) Design the section of a combined circular sewer from the following
data:
Area to be served = 150 hectares
Population of the locality = 50,000
Max.Permissible velocity = 3.2 m/sec
Time of entry = 5 minutes
Time of flow = 20 minutes
Rate of water supply = 270 litres/day/capita
Impermeability factor = 0.45
07
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2173513 Date: 03/12/2018
Subject Name: Newer waste water treatment systems
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 characteristics of Membrane Process. 03
(b) Explain in detail mechanism of disinfection. 04
(c) Define the following:
a. Sewage
b. Putrescible Decay
c. Standards
d. Impounded Reservoir
e. Sewerage
f. Invert
g. Advanced Oxidation Process
07
Q.2 (a) Is Ion Exchange applied for removal of Heavy Metals? Justify the same 03
(b) Explain in detail method to Design of sewer. 04
(c) Explain in detail all the technologies to produce Hydroxyl Radical. 07
OR
(c) Explain in detail Softening Process. 07
Q.3 (a) Describe in brief Dissolved Air Floatation. 03
(b) Describe in brief Hydrodynamic Cavitation. 04
(c) Explain in detail all methods of Neutralization. 07
OR
Q.3 (a) Explain Primary Treatment with a neat flow diagram. 03
(b) What is the difference between unit operation and unit process. 04
(c) Explain in detail Activated Sludge Process with its Removal
Mechanism.
07
Q.4 (a) What are Chemical and Physical Agents of Disinfection. 03
(b) Describe in brief Fenton Process. 04
(c) Explain in detail Colloidal Stability with a neat diagram. 07
OR
Q.4 (a) Explain Rapid Sand Filter and Slow Sand Filter. 03
(b) What are the factors affecting Adsorption Process. 04
(c) Design the section of a combined circular sewer from the following
data:
Area to be served = 150 hectares
Population of the locality = 50,000
Max.Permissible velocity = 3.2 m/sec
Time of entry = 5 minutes
Time of flow = 20 minutes
Rate of water supply = 270 litres/day/capita
Impermeability factor = 0.45
07
2
Q.5 (a) Describe Rectangular Sedimentation Tank. 03
(b) Explain concept of removal of pollutants through Anaerobic Process. 04
(c) Explain in detail Nanofiltration and Electrodialysis. 07
OR
Q.5 (a) Explain Application of Ion Exchange for Nitrogen Removal. 03
(b) Explain Aerated and Vortex Grit Chamber 04
(c) There is difference between Advanced Wastewater Treatment and
Tertiary Treatment. Justify the Statement.
07
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This post was last modified on 20 February 2020