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
Next Tests: