Which of the following has the highest octane number ?
Which of the following has the highest octane number ?
A. Aromatics
B. i-paraffins
C. Naphthenes
D. Olefins
Month: March 2019
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Which of the following processes consumes hydrogen ?
Which of the following processes consumes hydrogen ?A. Fluid catalytic cracking
B. Visbreaking
C. Propane deasphalting
D. None of these -
Catalyst used in catalytic reforming is__________________?
Catalyst used in catalytic reforming is__________________?A. Platinum on alumina
B. Nickel
C. Iron
D. Aluminium chloride -
Penetration test determines the _____________ of the grease?
Penetration test determines the _____________ of the grease?A. Stiffness
B. Lubricating properties (e.g. oilness)
C. Service temperature
D. Variation in viscosity with temperature -
In case of liquid petrofuels, momentary combustion is observed at its ________________________?
In case of liquid petrofuels, momentary combustion is observed at its ________________________?A. Flash point
B. Preheating temperature corresponding to viscosity of 25 centistokes
C. Flame temperature
D. Fire point -
____________ is not an important refinery process for upgrading the quality of lubricating oil ?
____________ is not an important refinery process for upgrading the quality of lubricating oil ?A. Deoiling
B. Solvent refining
C. Clay treatment
D. Hydro-treatment -
Petroleum ________________ ?
Petroleum ________________ ?A. Is optically active
B. Constitutes mainly of olefins
C. Does not contain asphalt
D. Does not contain aromatics -
Which of the following contains maximum sulphur ?
Which of the following contains maximum sulphur ?A. Diesel
B. Petrol
C. Kerosene
D. Fuel oil -
The colour of gasoline is an indication of its _________________?
The colour of gasoline is an indication of its _________________?A. Octane number
B. Lead susceptibility
C. Gum forming tendency & thoroughness of refining
D. None of these -
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is________________?
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is________________?A. Catalytic cracking
B. Catalytic reforming
C. Hydrotreating
D. Alkylation