Petroleum Refinery Engineering Questions pdf - Set 05 - ObjectiveBooks

Petroleum Refinery Engineering Questions pdf - Set 05

Practice Test: Question Set - 05


1. Quinoline is a/an __________ compound.
    (A) Sulphur
    (B) Nitrogen
    (C) Oxygen
    (D) None of these

2. Cracking is
    (A) An exothermic reaction
    (B) An endothermic reaction
    (C) Favoured at very low temperature
    (D) None of these

3. Choose the correct statement regarding thermal cracking.
    (A) Moderate changes in operating temperature does not change the depth of cracking
    (B) Increased residence time results in the decreased severity of cracking
    (C) At low pressure, the yield of lighter hydrocarbons are more
    (D) Greater depth of cracking gives lower octane number gasoline

4. Catalyst used in alkylation process is
    (A) Sulphuric acid
    (B) Nickel
    (C) Silica gel
    (D) Alumina

5. Sour crude means the __________ bearing crude.
    (A) Asphalt
    (B) Sulphur compounds
    (C) Wax
    (D) Nitrogen compounds

6. Good quality kerosene should have
    (A) Low smoke point
    (B) High smoke point
    (C) High aromatics content
    (D) Low paraffins content

7. Pick out the wrong statement.
    (A) Iso-paraffin crack faster than n-paraffin.
    (B) Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic
    (C) Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking
    (D) None of these

8. Which of the following fractions of petroleum contains maximum sulphur?
    (A) Diesel
    (B) Gasoline
    (C) Naphtha
    (D) Atmospheric residue

9. The solvent used in Barisol dewaxing process is
    (A) Hexane
    (B) Furfural
    (C) Benzol and ethylene dichloride
    (D) Methyl ethyl ketone (MEK)

10. 1 centistoke is equal to __________ Redwood I seconds.
    (A) 1
    (B) 4.08
    (C) 0.408
    (D) 40.8

11. Testing of the knocking characteristics of petrofuels is done in a __________ engine.
    (A) Carnot
    (B) CFR (Co-operative fuel research)
    (C) Stirling
    (D) Diesel

12. Higher vapor pressure of gasoline indicates
    (A) Low flash point
    (B) High breathing loss
    (C) Both (a) and (b)
    (D) Neither (a) nor (b)

13. Aromatics are desired constituents of
    (A) Lubricating oil
    (B) Diesel
    (C) Kerosene
    (D) Petrol

14. Which parameter is used for the grading of paraffin waxes?
    (A) Specific gravity
    (B) Melting point
    (C) Viscosity
    (D) Penetration number

15. The average boiling point of aviation turbine fuel is closest to that of
    (A) Lubricating oils
    (B) LPG
    (C) Diesel
    (D) Kerosene

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