Gujarat Technological UniversitySummer 2026 examination

GTU 2150603 Environmental Engineering Summer 2026 Question Paper & PDF

B.E. · Civil Engineering · Semester 5 · Subject code 2150603
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
State the role of microorganisms in the environment.
(b)
4 marks
Differentiate quality wise surface water and ground water sources.

Differentiate quality wise surface water and ground water sources. Differentiate quality wise surface water and ground water sources. Differentiate quality wise surface water and ground water sources.

(c)
7 marks

Explain different types of water demands that are to be considered while designing the water supply system of a town.

Q.2

14 Marks
(a)
3 marks
What is BOD/COD ratio? Give its significance
(b)
4 marks
Explain chemicals parameters of drinking water in detail.
(c)
7 marks
Give IS standards for drinking water in India.
(c)
7 marks

What is a waterborne disease? Discuss any one waterborne disease, its origin, spread and control in details

Q.3

14 Marks
(a)
3 marks
Explain the self-purification process of the stream.
(b)
4 marks
Differentiate presumptive and confirmative test used for MPN?
(c)
7 marks

Explain 1st stage BOD and derive its formula with usual notations Lt=LO (1-10-Kt).

(a)
3 marks
Derive the first stage BOD equation with usual notations.
(b)
4 marks
Define and differentiate de-oxygenation and re-oxygenation curve.
(c)
7 marks
Explain the factors affecting self-purification capacity of the river.

Q.4

14 Marks
(a)
3 marks
Define
i)Sullage
ii)Refuse
iii)Garbage
(b)
4 marks
Write short note on Composting.
(c)
7 marks

Enumerate different types traps used in India and differentiate Interception trap and Gully trap showing their sketches.

(a)
3 marks
What are the objectives of solid waste management?
(b)
4 marks
Define the following terms :
1)Sewage,(2) Rainwater pipe,
3)Waste pipe and
4)Traps
(c)
7 marks
Explain the different components of houses drainage systems.

Q.5

14 Marks
(a)
3 marks
Write note on EIA.
(b)
4 marks
Give the classification of air pollutants.
(c)
7 marks

Enumerate different air pollution control devices and explain the function of electrostatic precipitator in detail.

(a)
3 marks
State the sources of noise pollution.
(b)
4 marks

What is the Environmental (Protection) Act-1986, what are its objectives?

(c)
7 marks
Explain the different control measures for noise pollution.

More Environmental Engineering papers

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

Summer 202570 marks · 5 questions

Other Semester 5 subjects

BE Civil

2150608
Structural Analysis-II
3150610
Concrete Technology
3150611
Transportation Engineering
3150612
Design of Structures

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About this paper

Official Gujarat Technological University (GTU) examination paper for Environmental Engineering (Summer 2026, B.E. · Civil Engineering, Sem 5). 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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