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Petroleum Refinery Engineering
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Question
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Options
A. smoke point
B. octane number
C. cetane number
D. viscosity
Correct Answer
octane number
Petroleum Refinery Engineering problems
Search Results
1. Higher vapour pressure of gasoline indicates
Options
A. low flash point
B. high breathing loss
C. both (a) and (b)
D. neither (a) nor (b)
Show Answer
Scratch Pad
Discuss
Correct Answer: neither (a) nor (b)
2. Pyrolysis of kerosene or natural gasoline is done to produce mainly the
Options
A. olefins and aromatics
B. lighter paraffins
C. stabilised gasoline
D. diesel
Show Answer
Scratch Pad
Discuss
Correct Answer: olefins and aromatics
3. Catalyst used in isomerisation process is
Options
A. H
2
SO
4
B. H
3
PO
4
C. HF
D. AlCl
3
Show Answer
Scratch Pad
Discuss
Correct Answer: AlCl
3
4. Most widely used solvent for dewaxing is
Options
A. methyl-ethyl-ketone (MEK)
B. naphtha
C. petroleum ether
D. sodium plumbite
Show Answer
Scratch Pad
Discuss
Correct Answer: methyl-ethyl-ketone (MEK)
5. Aniline point is the temperature at which
Options
A. equal weight of diesel & the aniline are completely miscible.
B. equal weight of aniline & the test sample are completely miscible.
C. equal volume of aniline & the test sample are completely miscible.
D. aniline vaporises.
Show Answer
Scratch Pad
Discuss
Correct Answer: equal volume of aniline & the test sample are completely miscible.
6. Catalyst used in alkylation process is
Options
A. sulphuric acid
B. nickel
C. silica gel
D. alumina
Show Answer
Scratch Pad
Discuss
Correct Answer: sulphuric acid
7. Road grade bitumen is produced from vacuum residue by its
Options
A. aeration
B. pyrolysis
C. hydrogenation
D. steam reforming
Show Answer
Scratch Pad
Discuss
Correct Answer: steam reforming
8. Liquefied Petroleum Gas (LPG) is mainly a mixture of
Options
A. propane & butane
B. methane & ethane
C. high boiling olefins
D. high boiling naphthenes
Show Answer
Scratch Pad
Discuss
Correct Answer: propane & butane
9. "Breathing loss" on storage of gasoline occurs due to the
Options
A. presence of unsaturated air.
B. fluctuation of ambient temperature during day and night.
C. both (a) and (b).
D. neither (a) nor (b).
Show Answer
Scratch Pad
Discuss
Correct Answer: fluctuation of ambient temperature during day and night.
10. Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
Options
A. unsaturated hydrocarbon content
B. calorific value
C. quantity of propane
D. quantity of butane
Show Answer
Scratch Pad
Discuss
Correct Answer: calorific value
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