Petroleum Refining Engineering MCQ - Set 16 - ObjectiveBooks
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Petroleum Refining Engineering MCQ - Set 16

Practice Test: Question Set - 16


1. Operating condition in the electrical dehydrators for crude oil is about
    (A) 6.5 kgf/Cm2 & 95°C
    (B) 1 atm. & 110 °C
    (C) 20 kgf/cm2 & 110°C
    (D) 50 atm. and 150°C

2. Penetration test determines the __________ of the grease.
    (A) Stiffness
    (B) Lubricating properties (e.g. oilness)
    (C) Service temperature
    (D) Variation in viscosity with temperature

3. Which of the following has the maximum °API gravity of all?
    (A) Diesel
    (B) Kerosene
    (C) Petrol
    (D) Furnace oil

4. Catalyst used in catalytic reforming is
    (A) Platinum on alumina
    (B) Nickel
    (C) Iron
    (D) Aluminium chloride

5. Deoiling is the process of removal of oil from wax. It is done by the __________ process.
    (A) Solvent extraction
    (B) Sweating
    (C) Resettling
    (D) All (a), (b) & (c)

6. Which of the following processes consumes hydrogen?
    (A) Fluid catalytic cracking
    (B) Visbreaking
    (C) Propane deasphalting
    (D) None of these

7. In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones.
    (A) Sulphur increases
    (B) Sulphur decreases
    (C) Nitrogen decreases
    (D) None of these

8. Which of the following has the highest octane number?
    (A) Aromatics
    (B) i-paraffins
    (C) Naphthenes
    (D) Olefins

9. Crude petroleum oil is a __________ fuel.
    (A) Primary
    (B) Fossil
    (C) Both (a) & (b)
    (D) Secondary

10. Furfural solvent extraction is used for upgrading (by dissolving aromatics)
    (A) Naphtha
    (B) Lubricating oils
    (C) Wax
    (D) Cracking feedstock

11. Specific gravity of a petroleum product gives an indication of its
    (A) Degree of refinement
    (B) Hydrocarbon content type (aromatic or paraffinic)
    (C) Ease of atomization
    (D) Sulphur content

12. Boiling range of motor gasoline is an indication of the
    (A) Case of starting
    (B) Rate of acceleration
    (C) Vapor locking tendency
    (D) All (a), (b) and (c)

13. Solvent used in duo-sol extraction for lube oil upgradation is a mixture of
    (A) Propane & phenol-cresol mixture
    (B) Methyl ethyl ketone & glycol
    (C) Phenol & furfural
    (D) Propane & liquid sulphur dioxide

14. Cetane number of high speed diesel must be ≥
    (A) 30
    (B) 45
    (C) 75
    (D) 95

15. Name the endothermic reaction out of the following:
    (A) Catalytic cracking
    (B) Hydrocracking
    (C) Dehydrogenation of Naphthene to produce aromatic
    (D) Catalytic polymerization

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