A. Viscosity
B. Viscosity index
C. Smoke point
D. Pour point
Related Mcqs:
- ______________ converts n-paraffins to i-paraffins ?
A. Alkylation
B. Polymerisation
C. Isomerisation
D. None of these - A multigrade lubricating oil means an oil having high __________________?
A. Viscosity index
B. Viscosity
C. Aniline point
D. Flash point - ________________ treatment is done for appreciable improvement in viscosity index of lubricating oil?
A. Acid
B. Solvent extraction
C. Alkali
D. Clay - ____________ is not an important refinery process for upgrading the quality of lubricating oil ?
A. Deoiling
B. Solvent refining
C. Clay treatment
D. Hydro-treatment - Higher viscosity of lubricating oil usually signifies_______________________?
A. Lower Reid vapour pressure
B. Higher acid number
C. Higher flash point and fire point
D. Lower flash point and fire point - Isomerisation converts the ___________________ tot-paraffins?
A. Paraffins
B. Olefins
C. Naphthenes
D. None of these - Viscosity index of a lubricating oil_________________?
A. Is the measure of its flash point
B. Is the measure of variation of viscosity with temperature
C. Should be low
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 - 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 - Crude oil produced by Indian oil fields are predominantly _______________ in nature?
A. Paraffinic
B. Naphthenic
C. Asphaltic
D. Mixed base
