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- Question
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)
- Correct Answer
- neither (a) nor (b)
- 1. 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 Discuss
- 2. Catalyst used in isomerisation process is
Options- A. H2SO4
- B. H3PO4
- C. HF
- D. AlCl3 Discuss
- 3. Most widely used solvent for dewaxing is
Options- A. methyl-ethyl-ketone (MEK)
- B. naphtha
- C. petroleum ether
- D. sodium plumbite Discuss
- 4. 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. Discuss
- 5. Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has
Options- A. high pour point and low smoke point.
- B. low viscosity index.
- C. high self-ingnition temperature.
- D. all (a), (b) and.(c). Discuss
- 6. Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.
Options- A. smoke point
- B. octane number
- C. cetane number
- D. viscosity Discuss
- 7. Catalyst used in alkylation process is
Options- A. sulphuric acid
- B. nickel
- C. silica gel
- D. alumina Discuss
- 8. Road grade bitumen is produced from vacuum residue by its
Options- A. aeration
- B. pyrolysis
- C. hydrogenation
- D. steam reforming Discuss
- 9. Liquefied Petroleum Gas (LPG) is mainly a mixture of
Options- A. propane & butane
- B. methane & ethane
- C. high boiling olefins
- D. high boiling naphthenes Discuss
- 10. "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). Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: olefins and aromatics
Correct Answer: AlCl3
Correct Answer: methyl-ethyl-ketone (MEK)
Correct Answer: equal volume of aniline & the test sample are completely miscible.
Correct Answer: low viscosity index.
Correct Answer: octane number
Correct Answer: sulphuric acid
Correct Answer: steam reforming
Correct Answer: propane & butane
Correct Answer: fluctuation of ambient temperature during day and night.
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