Q.1
14 Marks(a)
Differentiate the term COD and BOD with its significance.
(b)
Explain water quality standard as per WHO.
(c)
What do you understand by Fixation of Nitrogen? Describe with neat diagram of Nitrogen cycle.
Gujarat Technological UniversitySummer 2025 examination
GTU 3140509 Pollution control & safety Management Summer 2025 Question Paper & PDF
B.E. · Chemical Engineering · Semester 4 · Subject code 3140509
- 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.2
14 Marks(a)
Classification and properties of air pollutants
(b)
Explain basic concept of safety audit.
(c)
Discuss about solid waste method like Sanitary land filling and Incineration.
OR
(c)
Explain various cleaner production practices adopted by Chemical Industries.
Q.3
14 Marks(a)
Write public health aspects due to solid waste.
(b)
Explain detonation and deflagnation.
(c)
Describe primary, secondary and tertiary wastewater treatments.
OR
(a)
Explain hydrological cycle with neat diagram.
(b)
Describe impact of man on environment.
(c)
Discuss about the fire extinguishing agents used in fire extinguisher.
Q.4
14 Marks(a)
Sources and classification of water pollutants.
(b)
Differentiate UVCE and BLEVE.
(c)
Explain with neat diagram of Gravity settling chamber and Cyclone separator.
OR
(a)
What is principles of Green chemistry?
(b)
Explain concept of energy audit and environment audit.
(c)
Explain importance of pollution control and safety management in chemical industry.
Q.5
14 Marks(a)
Write effects of pollution in environment.
(b)
What is DOW index? Give its importance in chemical industries.
(c)
Enlist the technique used for hazard identification. Explain HAZOP method in detail.
OR
(a)
What is air pollution meteorology?
(b)
Explain any two pressure relief devices with neat sketch.
(c)
Describe standards and legislation of EIA and EIS.
More Pollution control & safety Management papers
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
Other Semester 4 subjects
BE Chemical
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About this paper
Official Gujarat Technological University (GTU) examination paper for Pollution control & safety Management (Summer 2025, B.E. · Chemical Engineering, Sem 4). 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.