Q.1
14 Marks(a)
Compare furfural and phenol extraction treatments.
(b)
Explain various types of physical and chemical impurities of petroleum fractions.
(c)
Discuss the Indian refining scenario in detail.
Gujarat Technological UniversitySummer 2026 examination
GTU 3160510 Petroleum Refining and Petrochemicals Summer 2026 Question Paper & PDF
B.E. · Chemical Engineering · Semester 6 · Subject code 3160510
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.
Noted. This paper is in our queue now. Check back tomorrow.
We could not record that here. Email the paper name to hirenjsca@gmail.com and we will add it.
Q.2
14 Marks(a)
Enlist and explain various types of gases.
(b)
Explain pumping of waxy crude oil in detail. Also comment on heating of crude oil.
(c)
Classify crude oil based on various parameters.
OR
(c)
Explain crude assay for crude oil in detail.
Q.3
14 Marks(a)
Distinguish between thermal and catalytic cracking. Also brief about the mechanism of thermal cracking.
(b)
Define flash and fire point and list down methods for determination of the same. Also explain any one method in brief.
(c)
Discuss fluidized catalytic cracking (FCC) unit of refinery and also elaborate on the reactor and regenerator of this unit.
OR
(a)
Distinguish between alkylation, isomerization and polymerization units.
(b)
Define softening point and penetration index and explain determination of softening point.
(c)
Highlight the need for a reformer unit in the refinery. Also explain this unit with a neat sketch.
Q.4
14 Marks(a)
Compare LDPE, HDPE and LLDPE.
(b)
Explain the need of pretreatment of crude oil in detail and discuss any one method in detail.
(c)
Discuss manufacturing of styrene with a neat sketch.
OR
(a)
Compare SBR with PBR in detail.
(b)
Explain the Lead Doctor process with a neat sketch.
(c)
Explain manufacturing of methanol in detail with a neat sketch.
Q.5
14 Marks(a)
Enlist applications of PVC in various fields.
(b)
Explain the major problems associated with Vinyl Chloride production.
(c)
Explain various sources of aromatics and discuss aromatic separation in detail.
OR
(a)
Explain major applications of polypropylene.
(b)
Explain the primary engineering problems encountered during formaldehyde production.
(c)
Explain synthesis of LDPE in detail.
More Petroleum Refining and Petrochemicals papers
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
Other Semester 6 subjects
BE Chemical
Preparing with friends?
Send this paper to your class group. Every question has its own link.
About this paper
Official Gujarat Technological University (GTU) examination paper for Petroleum Refining and Petrochemicals (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.