A. Complete miscibility with oil
B. High solubility of wax in the solvent
C. Both A. and B.
D. Neither A. nor B.
Related Mcqs:
- Pick out the additive property of lube oil out of following ?
A. °API gravity
B. Specific gravity
C. Viscosity
D. Flashpoint - 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 - Solvent used for dewaxing of petroleum products are____________________?
A. Furfural
B. Methyl ethyl ketone (MEK)
C. Propane
D. Both B. & C. - The solvent used in Barisol dewaxing process is_____________________?
A. Hexane
B. Furfural
C. Benzol and ethylene dichloride
D. Methyl ethyl ketone (MEK) - Most widely used solvent for dewaxing is__________________?
A. Methyl-ethyl-ketone (MEK)
B. Naphtha
C. Petroleum ether
D. Sodium plumbite - 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. - ‘Solvent naphtha’ used mostly as a solvent in paints and perfumery is produced by the _________________ of virgin naphtha into small boiling range cuts?
A. Steam reforming
B. Distillation
C. Desulphurisation
D. None of these - Which of the following is not an important property of fuel oil/furnace oil ?
A. Sulphur content
B. Viscosity
C. Aniline point
D. Flash point - Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher ______________ compared to the dry natural gas?
A. Unsaturated hydrocarbon content
B. Calorific value
C. Quantity of propane
D. Quantity of butane - During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?
A. Decreases
B. Increases
C. Remains unchanged
D. Decreases linearly
