Download GTU B.Tech 2020 Summer 8th Sem 2180502 Petroleum Refining And Petrochemicals Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 8th Sem 2180502 Petroleum Refining And Petrochemicals Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER?VIII EXAMINATION ? SUMMER 2020
Subject Code: 2180502
Date: 26/10/2020
Subject Name: Petroleum Refining & 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 (a) Define: (i) Cracking (ii) Vis breaking (iii) Catalytic reforming
03

(b) Write down various properties and uses of Poly vinyl chloride (PVC).
04

(c) Enlist various treatment techniques of gasoline. Explain Lead Doctoring 07
treatment technique of gasoline in detail.
Q.2 (a) Differentiate: Atmospheric Distillation Unit(ADU) and Vacuum Distillation 03
Unit(VDU) of crude petroleum

(b) Write down various properties and uses of Isopropanol.
04

(c) Define Following:
07
(i) Octane number (ii) Flash & Fire point (iii) Smoke point (iv) Aniline point (v)
Pour point (vi) Cetane number (vii) Softening point


OR


(c) Describe various types of gases evolved from fractionation of crude petroleum 07
with their composition.
Q.3 (a) Discuss in brief: Role of crude oil in global economy
03

(b) Discuss major engineering problems associated with manufacturing process of 04
methanol.

(c) Explain with neat flow diagram: Manufacturing process of ethylene dichloride
07


OR

Q.3 (a) Give classification of crude oil.
03

(b) Write down various properties and uses of formaldehyde.
04

(c) Explain with neat flow diagram: Manufacturing process of vinyl chloride 07
monomer (VCM).
Q.4 (a) Which heavy fractions remain after fractionation of crude petroleum? List out 03
various important properties of heavy fractions.

(b) Enlist various pipe still heater used for heating of crude petroleum. Explain any 04
one in brief.

(c) Explain with neat flow diagram: Manufacturing process of Polypropylene
07

OR

Q.4 (a) List out various distillation characteristics of crude oil. Discuss any one in brief. 03

(b) Discuss in brief: Pumping of waxy crude
04

(c) Explain with neat flow diagram: Manufacturing process of Styrene Butadiene 07
Rubber (SBR)
Q.5 (a) Which are the different types of reflux methods for distillation of petroleum? 03
Explain any one in brief.

(b) Explain in brief: BTX separation
04

(c) Define thermal cracking. Explain Dubb`s two coil process of thermal cracking in 07
detail.


OR
Q.5 (a) What is dewaxing of Lube oil? Enlist various dewaxing processes of lube oil.
03
(b) Discuss major engineering problems associated with manufacturing process of 04
Phthalic anhydride.
(c) Define catalytic cracking. Explain Fluid Catalytic Cracking process in detail.
07
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