This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University
Subject Code: 180502
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE Semester VIII - EXAMINATION — WINTER 2017Subject Name: Petroleum Refining and Petrochemicals
Time: 02:30 pm to 05:00 pm
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
Q.1 Answer the following:
(a)(i) Define Flash & Fire point.
(ii) Give the expression for API gravity. Write expression for a blend.
--- Content provided by FirstRanker.com ---
(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.
--- Content provided by FirstRanker.com ---
(b) List tests for gasoline. Discuss ASTM distillation characteristics with a neat diagram.
Q.2 (a) Write short note on gases from petroleum.
(b) With a neat sketch of True Boiling Point apparatus, explain the test method and significance.
OR
(b) With a neat sketch of Conradson carbon residue apparatus, explain the test method and significance
--- Content provided by FirstRanker.com ---
Q.3 (a) Explain oxidation of Mercaptans to disulfides.
(b) What is cracking? Discuss thermal cracking operations and properties of cracked materials.
OR
Q.3 (a) Discuss dehydration and desalting of crude.
(b) Explain Merox sweetening in detail
--- Content provided by FirstRanker.com ---
Q.4 (a) Discuss polyethylene manufacture by low pressure process.
(b) Discuss major engineering problems in SBR manufacture
OR
Q.4 (a) Explain manufacture of methanol with a neat flowsheet.
(b) Discuss major engineering problems in ethylene oxide manufacture.
--- Content provided by FirstRanker.com ---
Q.5 (a) Explain manufacture of vinyl chloride monomer. List major engineering problems.
(b) Write short note on petrochemical feedstock
OR
Q.5 (a) With a neat flow diagram discuss manufacture of acetic acid and the major engineering problems associated with it.
(b) Write short note on “Petrochemical sector- present and future”
--- Content provided by FirstRanker.com ---
Date: 02-11-2017
Total Marks: 70
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University