Q.1
14 Marks(a)
Enlist important properties & applications of naphtha.
(b)
Give an account of crude oil refining scenario in global context.
(c)
Categorize different crude oils based on their characteristics.
Gujarat Technological UniversitySummer 2025 examination
GTU 3160510 Petroleum Refining and Petrochemicals Summer 2025 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
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Q.2
14 Marks(a)
Discuss the challenges of pumping waxy crude and how to overcome them.
(b)
Explain ASTM distillation with a neat sketch.
(c)
What are the needs of additives for gasoline fuels? Describe any two.
OR
(c)
Specify two most important tests for bitumen in detail.
Q.3
14 Marks(a)
List the important tests and properties of kerosene.
(b)
Write a short note on Merox Sweetening.
(c)
Discuss production of LPG and any one treatment of LPG in detail.
OR
(a)
List the physical impurities found in crude oil and the related problems.
(b)
What is dewaxing of lubes and its significance? Explain any one method for dewaxing of lubes.
(c)
With the help of a neat flow sheet describe the process of BTX separation.
Q.4
14 Marks(a)
Discuss about VDU for the crude petroleum.
(b)
Define Following:
i)Smoke point
ii)Pour point
iii)Octane number
iv)Diesel index
(c)
Define thermal cracking of crude petroleum and explain Dubb`s two coil process of thermal cracking in detail.
OR
(a)
List out various types of gases from petroleum and explain about any one.
(b)
Write a short note on platforming catalyst.
(c)
Explain Fluid catalytic cracking (FCC) in detail with a neat diagram.
Q.5
14 Marks(a)
List the major industrial application of chloromethane.
(b)
Discuss the engineering problems associated with methanol production.
(c)
Explain the manufacturing process of Ethylene dichloride with a flow sheet.
OR
(a)
List the important properties and uses of formaldehyde.
(b)
Discuss the major engineering problems involved in the manufacturing of Vinyl chloride monomer.
(c)
Explain manufacturing process of LDPE with a flow sheet along with its industrial application.
More Petroleum Refining and Petrochemicals papers
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Other Semester 6 subjects
BE Chemical
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About this paper
Official Gujarat Technological University (GTU) examination paper for Petroleum Refining and Petrochemicals (Summer 2025, 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.