A. 5
B. 15
C. 40
D. 60
Related Mcqs:
- 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. - Water content in the crude oil as it comes out of oil well may be upto ______________ percent?
A. 2
B. 5
C. 10
D. 25 - Aniline point test of an oil qualitatively indicates the ______________ content of an oil?
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene - Deoiling is the process of removal of oil from wax. It is done by the _______________ process?
A. Solvent extraction
B. Sweating
C. Resettling
D. All A., B. & C. - Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________________ ptb (pounds per thousand barrel) ?
A. 0.03
B. 3
C. 35
D. 70 - 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 - The yield of straight run LPG from crude oil is about ______________ weight percent?
A. 20-25
B. 1-1.5
C. 10-15
D. 0.1-0.2 - Both asphalt and wax are produced by ______________ base crude oils?
A. Naphthenic
B. Asphalt
C. Paraffin
D. Mixed - Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?
A. 5
B. 25
C. 50
D. 100 - 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
