A. Smoke point
B. Octane number
C. Cetane number
D. Viscosity
Related Mcqs:
- Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ?
A. Paraffins
B. Naphthenes
C. Aromatics
D. Iso-paraffins - In petroleum refining, the process used for conversion of hydrocarbons to aromatics is________________?
A. Catalytic cracking
B. Catalytic reforming
C. Hydrotreating
D. Alkylation - 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 - H/C ratio (by weight) for the same number of carbon atoms is the highest in case of____________________?
A. Aromatics
B. Paraffins
C. Olefins
D. Naphthenes - Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?
A. High pour point and low smoke point
B. Low viscosity index
C. High self-ignition temperature
D. All A., B. and C. - Presence of aromatics in __________________?
A. Diesel increases its cetane number
B. Kerosene increases its smoke point
C. Petrol increases its octane number
D. All A., B. and C. - Aromatics are desired constituents of____________________?
A. Lubricating oil
B. Diesel
C. Kerosene
D. Petrol - Furfural solvent extraction is used for upgrading (by dissolving aromatics) ?
A. Naphtha
B. Lubricating oils
C. Wax
D. Cracking feedstock - Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is_________________?
A. Propane
B. Diethylene glycol
C. Aqueous solution (10% water) of diethylene glycol
D. Methyl ethyl ketone (MEK) - Which of the following has maximum hydrogen/carbon ratio (by weight) ?
A. Naphtha
B. Gasoline
C. Diesel
D. Fuel oil
