Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 2nd Sem Petrochemical Science Previous Question Paper
B.Sc. (Part?I) Semester?II Examination
PETROCHEMICAL SCIENCE
'l?ime : Three Hours] [Maximum Marks : 80
Note :? (1) Question No. 1 is compulsory.
l.
(2) Remaining six questions carry 12 marks each.
(3) Give chemical equation and draw diagram wherever necessary.
(A) Fill in the blanks :
(B)
(i) Indian Petrochemical industry is born around year
(ii) The complication of gas puri?cation and cost of puri?cation usually increase with
of the feed stocks.
(iii) Hydrocarbon gases are mostly separated by __ absorption.
(iv) ___ is a general name for a mixture of Hydrogen and Carbon Monoxide.
0
Choose correct alternatives :
(i) Unsaturated hydrocarbons increase carbon formation, hence, hydrogen recycling is
recommended when high ___ stocks are handled.
(a) Paraf?n (b) Ole?n
(c) Natural gas (d) None of these
(ii) The hypersorbcr can separate ____ from feed gas.
(a) Propane (b) Propylene
(c) Ethylene (d) Butane
(iii) Which process regulates the pollutions by removing the sulfur from tail gases 7
(a) Selexol (b) Modop
(c) Sheel (d) Girbotol
(iv) What will happen when t?ccd stock contains water vapours ?
(a) Corrosion (b) Formation of crystal
(0) Maligh catalyst (d) All the above
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Answer in one sentence :
(i) What is the boiling paint of methane at 760 mm Hg pressure ?7'
(ii) Which is a conventional absorbent used to remove lhc moisture from gasoline ?3
(iii) Which are the gaseous feed stocks to petrochemical '?
(iv) G.S.F.C. stands fox '.? 4
Describe dcvclopmczit of petrochemicxl industries in India. 6
What is; HBJ-gns grid ? Discuss in dciuii. 6
OR
What it; petrochemical ?:? IiJCSCI'ibc history 01? pctrochcmical industry in detail. 6
Which arc the largest and Ihc most gunbiliOUS petrochemical complexes in India '?
Descrihc in detail. 6
Why puri?cation 01' petroleum gas is carried out ? Which techniques are used for
removal of impurities present in petroleum gases ?? Discuss any one. 6
Descrilte Bcavon-Oilcr prouuss for rcmm?al of sulfur compound from petroleum gases
with block diagram and process parameters involved. 6
()R
Water vapour impurities are prcscm in all petroleum gases. How will you remove lhcsc
impuritcs from those gnses ? Dcscriim in detail. C)
Which fccd stocks arc used Dr petrochemical industries ?? Discuss with some examples.
(1
Describe thc rule 01' relim've volatility in separation 01' C4 Cuts by using
absorption-dcsurp[ion procwscs. 6
Draw and describe process oi aztcolmpic distillation lbr separation of toluene. 6
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Dcscribc Udcx extraction process for separation of aromatic HC from reformatcs in
brief. 12
Describe steam reforming process for production of synthesis: gas. 6
Describe the rcuc1i\ily 3f hydrocarbon for a given sieam 10 hydrocarbon ratio in detail.
6
OR
Describe the I'OIL" of sfeam and hydmcarbon ratio in steam reforming operation for
production of synthesis gas 6
What is steam reforming ?3 Why this process is adopted for production of synthesis
gas '3 Dcscribc in dslal. t3
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10. (A) Which raw materials are used for production of synthesis .gas ? Which are the different
processes for production of synthesis gas '3 Explain water gas process for production
of synthesis gas. 6
(B) What are the types of reformer used in production of synthesis gas by using raw
material natural gas and naptha ? Write the composition of material used for reformer
construction. 6
OR
11. (P) Draw block diagram for Co-production and describe each unit present in block
diagram. 6
(Q) Describe Lurgi coal gasi?cation process in detail for production of CO and HT 6
12. (A) Describe in briet?low prcssurc process developed by 1C1 with respect to process parameter
adopted for syn gas synthesis. 8
CB) Describe the Vinyl acetate monomer production from synthesis gas. 4
OR
13. (P) What is oxo synthesis ? Describe production of propionaldehyde with respect to their
process flow and process parameter. 8
(Q) What are the various uses of methanol ?? Also write the physical properties of 111611124131.
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This post was last modified on 10 February 2020