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Roll No. HEEENEEEE [ ] Total No. of Pages : 02
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Total No. of Questions : 09B.Tech.(Petroleum Refinary Engineering) (2013 Batch) (Sem.-6)
PETROLEUM REFINING -1l
Subject Code : BTPC-601
M.Code : 74037
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Time : 3 Hrs. Max. Marks : 60INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students has to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students has to attempt any TWO questions.
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SECTION-A
- Write briefly :
- Why the sequence is followed to remove ethane, propane, butane and isobutene?
- Why methanation cannot be avoided in the hydrogen production process?
- What primary disadvantage exists by using live steam in the CDU columns?
- What are the operating conditions for catalytic cracking?
- What is the function of riser in FCC?
- Why naphtha stabilization is required after cracking process?
- Compare MBCR and FCCR.
- What is the function of drier in isomerisation process?
- Why is hydrogen used in the reforming reaction?
- Definitions of hydroprocessing, hydrotreating and hydrocracking.
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SECTION-B
- Explain Hydro-cracking with neat sketch. Why two phase separators are used for the reactor product in hydrocracking flowsheet?
- What is FCC? Discuss about FCC regenerator with neat sketch.
- Give classification of Hydrocarbons, and discuss Olefinic petrochemicals with applications.
- Describe the various methods of coke formation.
- Why the naphtha stream after absorption and phase separation enters a stripping unit?
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SECTION-C
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- Describe Process Technology with flow sheet for Naphtha & Gas oil hydrotreating.
- Explain three basic reaction steps to achieve alkylation. What are the reaction conditions & process technology for Sulfuric acid based alkylation.
- Explain Visbreaking with a neat flow sheet:
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech Question Papers 2020 March (All Branches)
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