Download GTU BE/B.Tech 2017 Winter 8th Sem Old 180502 Petroleum Refining And Petrochemicals Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 8th Sem Old 180502 Petroleum Refining And Petrochemicals Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE Semester VIII ? EXAMINATION ? WINTER 2017

Subject Code: 180502 Date: 02-11-2017
Subject Name: Petroleum Refining and Petrochemicals
Time: 02:30 pm to 05:00 pm Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 Answer the following: 07
(a)(i) Define Flash & Fire point.
(ii) Give the expression for API gravity. Write expression for a blend.
(iii) What is LPG? List grades of LPG.
(iv) What is knocking? Define octane number.
(v) What is sweetening? List criteria of doctoring
(vi) Give the expression of UOP characterization factor. Write expression for a
mixture of components.

(vii) State the significance of Softening point.
(b) List tests for gasoline. Discuss ASTM distillation characteristics with a neat
diagram.
07
Q.2 (a) Write short note on gases from petroleum. 07
(b) With a neat sketch of True Boiling Point apparatus, explain the test method
and significance.
07
OR
(b) With a neat sketch of Conradson carbon residue apparatus, explain the test
method and significance
07
Q.3 (a) Explain oxidation of Mercaptans to disulfides. 07
(b) What is cracking? Discuss thermal cracking operations and properties of
cracked materials.
07
OR
Q.3 (a) Discuss dehydration and desalting of crude. 07
(b) Explain Merox sweetening in detail 07
Q.4 (a) Discuss polyethylene manufacture by low pressure process. 07
(b) Discuss major engineering problems in SBR manufacture 07
OR
Q.4 (a) Explain manufacture of methanol with a neat flowsheet. 07
(b) Discuss major engineering problems in ethylene oxide manufacture. 07
Q.5 (a) Explain manufacture of vinyl chloride monomer. List major engineering
problems.
07
(b) Write short note on petrochemical feedstock 07
OR

Q.5 (a) With a neat flow diagram discuss manufacture of acetic acid and the major
engineering problems associated with it.
07
(b) Write short note on ?Petrochemical sector- present and future? 07

########################



FirstRanker.com - FirstRanker's Choice