Q.1
14 Marks(a)
Explain the composition of crude oil
(b)
Discuss exploration of crude oil in brief.
(c)
Discuss the about crude oil reservoirs and refineries of India in detail.
Gujarat Technological UniversitySummer 2026 examination
GTU 2180502 Petroleum Refining & Petrochemicals Summer 2026 Question Paper & PDF
B.E. · Chemical Engineering · Semester 8 · Subject code 2180502
- 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)
Highlight the need of dehydration and desalting.
(b)
Classify crude oil based on different parameters in detail.
(c)
Define: Smoke point, Diesel index, Pour point, Viscosity index, Softening point, Octane number, Cetane number
OR
(c)
Define flash and fire point, highlight its significance and explain in detail about its determination method.
Q.3
14 Marks(a)
Explain the vis-breaking unit in brief.
(b)
Define aniline point and highlight its significance. Also explain its determination in brief.
(c)
Discuss fluidized catalytic cracking (FCC) unit of refinery and explain role of each part of this unit..
OR
(a)
Explain the delayed coker unit of the refinery in short.
(b)
Explain the additives of gasoline.
(c)
Explain the regeneration with reference to the reformer unit.
Q.4
14 Marks(a)
Compare LDPE with HDPE.
(b)
Explain electric desalting in detail with neat sketch.
(c)
Discuss manufacturing of methanol with a neat sketch.
OR
(a)
Enlist various types of rubbers obtained as petrochemicals.
(b)
Explain any one sweetening process in detail with a neat sketch.
(c)
Explain manufacturing of formaldehyde in detail with a neat sketch.
Q.5
14 Marks(a)
Explain the major applications of SBR in various fields.
(b)
Explain the major problems associated with Ethylene Chloride production.
(c)
Explain the manufacturing process of poly vinyl chloride in detail.
OR
(a)
Explain major applications of polyethylene.
(b)
Explain the engineering problems associated with methanol production.
(c)
Explain the manufacturing process of LDPE in detail.
More Petroleum Refining & Petrochemicals papers
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Other Semester 8 subjects
BE Chemical
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About this paper
Official Gujarat Technological University (GTU) examination paper for Petroleum Refining & Petrochemicals (Summer 2026, B.E. · Chemical Engineering, Sem 8). 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.