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.Management Sciences
Category: Petroleum Refinery Engineering
Which of the following petroleum products contain minimum sulphur ?
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A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________?
A. Propane & phenol-cresol mixture
B. Methyl ethyl ketone & glycol
C. Phenol & furfural
D. Propane & liquid sulphur dioxide
Which of the following has the lowest viscosity (at a given temperature) of all ?
A. Naphtha
B. Kerosene
C. Diesel
D. Lube oil
Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?
A. PCM
B. Tar
C. Light diesel oil
D. Low viscosity furnace oil
Fuel oil is subjected to visbreaking to reduce its_______________?
A. Pour point
B. Viscosity
C. Pressure drop on pumping
D. All A., B. and C.
Most commonly used crude heater before the fractionation tower in a refinery is the ______________ heater?
A. Electric immersion
B. Pipestill
C. Steam coil
D. None of these
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.
hich of the following is the most suitable feed for platforming process (reforming) ?
WA. Olefinic hydrocarbon
B. Naphtha
C. Fuel oil
D. Atmospheric residue
Molecular weight of petrol may be about ____________________?
A. 40-60
B. 100-130
C. 250-300
D. 350-400
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