PTU B.Tech Petroleum Engineering 6th Semester May 2019 74038 PETROCHEMICALS Question Papers

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Roll No.

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Total No. of Pages : 02

Total No. of Questions : 09

(Sem.-6)

B.Tech.(Petroleum Refinary Engineering) (2013 Batch)

PETROCHEMICALS

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Subject Code : BTPC-602

M.Code: 74038

Time: 3 Hrs.

Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

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1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

1. Answer briefly :
   1. Give two applications of styrene.

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   2. List out two chemicals derived from C1 & C2 Hydrocarbons.
   3. What do you mean by LEL and HEL? What is ignition temperature?
   4. What are the process parameters for alkylation?
   5. State the 3 methods of polymerization.
   6. Write down the health hazards of polyurethane.

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   7. Give the broad classification of three categories of Petrochemicals.
   8. Write down the chemical reaction for production of nylon.
   9. Write down two important properties of ABS.
   10. What are chemicals obtained from C4 hydrocarbon? Give uses of any two.

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SECTION-B

2. Discuss the utility of alkylation and isomerisation in petroleum industry and explain alkylation with neat flow sheet.
3. Describe the method of manufacturing of vinyl chloride. Also discuss its industrial applications.
4. List the various petrochemicals from methane. Also give their industrial application.
5. Describe with neat flow sheet the manufacturing process of ethylene.

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6. Discuss with a neat flow sheet the conversion of ethyl benzene to styrene.

SECTION-C

7. Write short notes on the following :
   1. Difference between thermoplastics and thermosetting resins.
   2. Explain any one of isomerisation process with flow chart and reactions involved in it

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8. Describe in brief the process of manufacture of PVC, with its properties.
9. What are the reactions involved in the production of BTX? What are the various derivatives obtained from Benzene?

NOTE : Disclosure of identity by writing mobile number or making passing request on any page of Answer sheet will lead to UMC against the Student.