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.Management Sciences
Category: Petroleum Refinery Engineering
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl isobutyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the____________________?
A. Elimination of solvent drying facility
B. Higher nitration temperature
C. Lower solvent dilution ratio
D. All A., B. & C.
The characterisation factor of crude petroleum oil is around__________________?
A. 3
B. 11
C. 22
D. 28
Sulphur content in lighter and heavier petroleum products is generally determined respectively by _______________?
A. Lamp method and bomb method
B. Bomb method and lamp method
C. Bomb method and quartz tube method
D. Quartz tube method and lamp method
Smoke point of a good burning kerosene may be around _______________ mm?
A. 0-5
B. 20-25
C. 60-75
D. 100-120
Which of the following has the minimum °API gravity of all ?
A. Diesel
B. Kerosene
C. Petrol
D. Furnace oil
______________ converts n-paraffins to i-paraffins ?
A. Alkylation
B. Polymerisation
C. Isomerisation
D. None of these
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)
Bottom product of atmospheric pressure crude oil distillation column is termed as________________?
A. Reduced crude
B. Heavy ends
C. Asphalt
D. Residuum
Which is the most undesirable component in kerosene ?
A. Aromatics
B. i-paraffins
C. n-paraffins
D. Naphthenes
Smoke point of kerosene is the_______________?
A. Time after which smoking starts on burning
B. Temperature at which smoking starts
C. Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp
D. None of these
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