Petroleum Refining Systems Engineering Question Paper MCQ - Set 21 - ObjectiveBooks
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Petroleum Refining Systems Engineering Question Paper MCQ - Set 21

Practice Test: Question Set - 21

1. Cetane number of diesel used in trucks may be about
    (A) 50
    (B) 14
    (C) 35
    (D) 85

2. Bottom product of atmospheric pressure crude oil distillation column is termed as
    (A) Reduced crude
    (B) Heavy ends
    (C) Asphalt
    (D) Residuum

3. Choose the correct statement.
    (A) Coking tendency increases with increasing molecular weight
    (B) Coking tendency decreases with increasing molecular weight
    (C) Higher pressure enhances coke formation
    (D) Coking is an exothermic reaction

4. Smoke point of kerosene expresses its
    (A) Burning characteristics
    (B) Luminosity characteristics
    (C) Aromatic content directly
    (D) Lamp wick wetting characteristics

5. Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?
    (A) Reforming
    (B) Pyrolysis
    (C) Alkylation
    (D) Hydrocracking

6. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
    (A) Propane & butane
    (B) Butane & ethane
    (C) Methane & ethane
    (D) Methane & carbon monoxide

7. Reid vapor pressure of gasoline is the measure of its
    (A) Pour point
    (B) Cloud point
    (C) Vapor locking tendency
    (D) Carbon residue

8. Removal of light fractions from crude oil is called its
    (A) Sweetening
    (B) Dehydration
    (C) Stabilization
    (D) Visbreaking

9. Solvent used in Edeleanu process is
    (A) Furfural
    (B) Propane
    (C) Liquid SO2
    (D) Phenol

10. Which of the following is used as a solvent in deasphalting of petroleum products?
    (A) Furfural
    (B) Propane
    (C) Methyl ethyl ketone
    (D) Liquid sulphur dioxide

11. In catalytic alkylation, higher iso-butane to olefin ratio gives
    (A) Low final boiling point product
    (B) Higher yield
    (C) Both (a) and (b)
    (D) Neither (a) nor (b)

12. The catalytic cracking of heavier petroleum fraction is done to produce mainly
    (A) Gasoline
    (B) Asphalt
    (C) Diesel oil
    (D) Tar

13. The condensate obtained on compression of wet natural gas is termed as
    (A) Liquefied natural gasoline
    (B) Natural gasoline
    (C) Liquid natural gas
    (D) None of these

14. Hydrofining is the most recent and effective method for the
    (A) Removal of sulphur
    (B) Improvement of smoke point
    (C) Reduction of breathing loss
    (D) Improvement of viscosity index

15. Which of the following is the most suitable feed for platforming process (reforming)?
    (A) Olefinic hydrocarbon
    (B) Naphtha
    (C) Fuel oil
    (D) Atmospheric residue

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