Gujarat Technological UniversitySummer 2026 examination

GTU 3160513 Waste Water Engineering Summer 2026 Question Paper & PDF

B.E. · Chemical Engineering · Semester 6 · Subject code 3160513
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Sketch the wastewater treatment flow diagram for the sugar industry. 03 (A)
(b)
4 marks

Select and explain any primary treatment process for wastewater treatment. 04 (E)

(c)
7 marks
Explain vermiculture and root zone wastewater treatment process. 07 (U)

Q.2

14 Marks
(a)
3 marks

List all parameters which can affect the anaerobic wastewater treatment process. 03 (R)

(b)
4 marks

Differentiate between aerated lagoons and activated sludge treatment process. 04 (N)

(c)
7 marks

Describe a process flow sheet of wastewater treatment for steel industries. 07 (R/U)

(c)
7 marks
Discuss in detail the wastewater characteristics. 07 (R/U)

Q.3

14 Marks
(a)
3 marks
Explain the extended aeration wastewater treatment method. 03 (R/U)
(b)
4 marks
Explain expanded bed reactors for anaerobic wastewater treatment. 04 (R/U)
(c)
7 marks

Demonstrate and explain wastewater treatment flow diagram for the pulp and paper industry. 07 (A)

(a)
3 marks
List all physical treatments involved in physicochemical treatment. 03 (R)
(b)
4 marks
How pH can affect the anaerobic wastewater treatment process? 04 (R/U)
(c)
7 marks

Demonstrate and explain the wastewater treatment scheme for the dyes industries. 07 (A)

Q.4

14 Marks
(a)
3 marks
List anaerobic treatment technologies. 03 (R)
(b)
4 marks
Explain proportioning processes. 04 (R/U)
(c)
7 marks
Explain a sequential batch reactor for aerobic wastewater treatment. 07 (U)
(a)
3 marks
Explain the principle of the anaerobic treatment process. 03 (R/U)
(b)
4 marks
Why sampling of wastewater is important? 04 (R)
(c)
7 marks

Explain a rotating biological contactor for aerobic wastewater treatment. 07 (U)

Q.5

14 Marks
(a)
3 marks
Explain various sources of wastewater. 03 (R)
(b)
4 marks
Explain stabilizing ponds for aerobic wastewater treatment. 04 (R/U)
(c)
7 marks

Use recent technologies to explain in detail the need for wastewater treatment. 07 (A)

(a)
3 marks
Which are the challenges faced to treat wastewater treatment? 03 (R)
(b)
4 marks
Explain the process steps of trickling filters. 04 (R/U)
(c)
7 marks

Interpret and explain the term “reuse and reclamation of treated wastewater”. 07 (A)

More Waste Water Engineering papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Waste Water Engineering (Summer 2026, B.E. · Chemical Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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