Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 8th Sem Chemical Engineering Petroleum Processing Tech II Previous Question Paper
11677 : Professional Free Elective?H ; Petroleum Processing
Technology - II : 8 CH 04 ?
P. Pages : 2 AW - 3495
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Time : Three Hours llmyllwmiillu Max. Marks : 80
Notes : Due credit will be given to neatness and adequate dimensions.
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AW - 3495 1 . P.T.0
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2 Assume suitable data wherever necessary.
3. Diagrams and chemical equations should be given wherever necessary.
4. Illustrate your answer necessary with the help of neat sketches.
5 Discuss the reaction, mechanism wherever necessary.
6 Use of pen Blue/Black ink/re?ll only for writing the answer book.
SECTION - A
What do you mean by sour and sweet crude oil?
What do you mean by basic and non-basic nitrogen bearing hydrocarbon compounds?
Mention one example of each.
Which compounds are treated as imparities in petroleum and petroleum fractions? Why?
OR
What is the general elemental composition of crude oil?
Two ring aromatic and naphthenoaromatics are generally found in crude oil. Mention one
example ol?each with their structural formula and boiling points.
How crude oil is classi?ed according to their Co-relation Index (CI)? Mention the formula
for determing Co?relation Index.
Why quality control of the petroleum product is necessary?
Why volatility of petroleum fuel is considered as one of major property?
What do you mean by induction period of gasoline fuel?? How it is determined.
OR
By which tests combustion properties of petroleum products are generally evaluated?
Name the test methods designed to evaluate storage stability and resistance to oxidation
and corrosive potentialities of petroleum products obtained by processing of crude Oils.
De?ne the term viscosity Index & discuss the significance of this property.
Why methanol is not commercially blended in gasoline as an oxygenate along with
ethanol, isopropanol and tertiary butanol?
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AW - 3495
Why desalting of crude oil is necessary?
Why i-somerization reaction do not take place during thermal cracking operation?
What are the principal ieactions that occur during the visbreaking operation?
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Why diesel fuel speci?cations include limit on t50 temperature and volatility?
Which properties of feedstock are expected to undergo change during thermal cracking
operation?
Mention the usual dimensions and operating data for an atmospheric distillation unit.
SECTION - B
What are the ad\ antages of Zeolitc catalysts over the natural and synthetic amorphous
cracking catalysts?
How catalytic reforming helps in boosting octane number of gasoline fraction? Discuss
?ith few reactions involved.
OR
What are the objectix es of alkylation and isomerization processes?
Mention the alkylatitmreactions mx oh mg prupy lenc, isobutylene and isobutanc as a
leedstock. What IS tht octane number 0! product formed?
Discuss the mere .\' sweetening process in detail with neat sketch of ?ow diagram along
with the chemistry and process parameters involx ed.
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Discuss the copper chloride sweetening process with the neat sketch of ?ow diagram.
Also mention the process parameters and chemistry involved.
N-methyl ? Z-l?yrroiydone (N M P) is very good solvent for viscosity index improvement
of lube oii base stocks. Dixcuss this process in detail} with neat sketch of ?ow diagram
w: th the process parameters imr-lxc-J.
OR
Despite the intensive processing of lube oil base stocks for improving the quality of base
stocks, why hydro ?nishing step is required? Discuss this process in detail with neat
sketch of ?ow diagram and process parameters involved.
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This post was last modified on 10 February 2020