Natural Gas Technology B.E Question Paper : unipune.ac.in
Name of the University : Savitribai Phule Pune University
Department : Petrochemical Engineering
Degree : B.E
Subject Code/Name : Natural Gas Technology
Sem : I
Website : unipune.ac.in
Document Type : Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/unipune.ac.in/6995-be_oct2011.pdf
Natural Gas Technology Model Paper :
B.E. (Petrochemical Engineering)
(412407(C)) (2008 Course) (Sem. – I) (Elective – II)
Time : 3 Hours
Max Marks : 100
Related : Savitribai Phule Pune University Membrane Technology B.E Question Paper : www.pdfquestion.in/6993.html
Instructions to candidates :
1) Answer Q. No. 1 or 2, 3 or 4, 5or 6 in section – I and 7 or 8, 9 or 10, 11or 12 in section – II.
2) Answers to the two sections should be written in separate answer books.
3) Neat Diagrams must be drawn wherever necessary.
4) Assume suitable data, if necessary.
5) Figures to the right indicate full marks.
6) Use of logarithmic table, slide rule and electronic pocket calculator is allowed.
SECTION-I :
Q1) a) Discuss the outlook for world gas production. [8]
b) Elaborate on geographic distribution by type of gas. [8]
OR
Q2) a) Discuss thermal gas reservoirs. [8]
b) Elaborate on variety of composition of natural gas reservoirs. [8]
Q3) a) Explain in detail sampling methods of natural gas. [8]
b) Discuss dry gas, wet gas and associated gas. [6]
c) Elaborate on analysis of composition of natural gas. [4]
OR
Q4) a) Discuss the phase diagram of a reservoir fluid. [8]
c) Discuss measurements taken during sampling. [4]
Q5) a) Elaborate on hydrate structures (diagrams are not necessary). [6]
b) Explain in detail phase diagram for hydrate formation. [6]
c) Write a short note on solubility of natural gas in water. [4]
OR
Q6) a) Discuss experimental method for determination of gas hydrate. [6]
b) Explain in detail modeling hydrate formation equilibria. [6]
c) Write a short note on hydrate formation during drilling. [4]
SECTION-II :
Q7) a) Explain in detail dehydration of natural gas by adsorption. [8]
b) Give different properties of a suitable solvent. [8]
OR
Q8) a) Describe with flow sheet acid gas removal by amine scrubbing. [8]
b) A separator to be operated at 1000 psia, is required to handle a well stream with gas flow rate 7 mmscfd at GLR 40 bbl/mmscf. Determine the separator size required for: [8]
i) a vertical separator,
ii) a horizontal single-tube separator and
iii) spherical separator.
Assume a liquid (oil + water) density of 52 lbm/ft3, ideal gas with gravity 0.8, an operating temperature equal to 110 oF, a retention time 3 min and ½ full of liquid conditions.
Q9) a) Discuss LNG transport chains. [6]
b) Explain with flow sheet natural gas liquefaction using conventional cascade cycle. [6]
c) Write a short note on LNG carriers. [6]
OR
Q10) a) Explain in detail construction and working of reciprocating compressor. [6]
b) Elaborate on existing LNG terminal in India. [6]
c) Describe in detail different gas chains. [6]
Q11) a) Describe with flow sheet Fisher-Tropsch synthesis process. [8]
b) Write a short note on: [8]
i) Production of synthesis gas by indirect conversion processes.
ii) Thermal coupling process.
OR
Q12) a) Describe with flow sheet routes for the chemical conversion of methane. [8]
b) Elaborate on downstream utilization technologies for natural gas in petrochemical. [8]
Q13) a) Explain the importance of glass transition temperature and degree of crystallinity on characteristic properties of polymers used as membranes. [8]
b) Explain the importance of chain flexibility in case of polymeric membrane materials. State the effect of character of main chain and of side chain or side groups. [8]
Q14) Explain the following methods of preparation of membranes. [16]
a) Sintering. b) Track etching.
c) Template leaching. d) Phase inversion.
OR
Q15) Explain the following methods of preparation of composite membranes.[16]
a) Interfacial polymerisation.
b) Dip coating.
c) Plasma polymerisation.
Q17) Explain the following methods of characterisation of MF membranes. [18]
a) SEM.
b) Bubble-point method.
c) Mercury intrusion porometry.
d) Permeation measurements.
OR
Q18) Explain the following methods of characterisation of uF – membranes. [18]
a) Gas adsorption – desorption.
b) Thermoporometry.
c) Permporometry.
d) Liquid displacement.