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Chemical Engineering
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Petroleum Refinery Engineering
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Question
Liquefied Petroleum Gas (LPG) is mainly a mixture of
Options
A. propane & butane
B. methane & ethane
C. high boiling olefins
D. high boiling naphthenes
Correct Answer
propane & butane
Petroleum Refinery Engineering problems
Search Results
1. 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
2. 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
3. Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Options
A. smoke point
B. octane number
C. cetane number
D. viscosity
Show Answer
Scratch Pad
Discuss
Correct Answer: octane number
4. 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)
5. 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
6. "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.
7. 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
8. Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
Options
A. 1 to 5
B. 30 to 80
C. 250 to 350
D. 450 to 500
Show Answer
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Discuss
Correct Answer: 30 to 80
9. Which of the following fractions of petroleum contains maximum sulphur?
Options
A. Diesel
B. Gasoline
C. Naphtha
D. Atmospheric residue
Show Answer
Scratch Pad
Discuss
Correct Answer: Atmospheric residue
10. Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).
Options
A. one fourth
B. one third
C. half
D. one eighth
Show Answer
Scratch Pad
Discuss
Correct Answer: half
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