A. Stiffness
B. Lubricating properties (e.g. oilness)
C. Service temperature
D. Variation in viscosity with temperature
Related Mcqs:
- _____________ determination is not a very significant and important test for gasoline?
A. Gum & sulphur content
B. Viscosity
C. Octane number
D. Reid vapor pressure - Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?
A. n-paraffins
B. Olefins
C. Aromatics
D. None of these - ______________ test is done to find out the softening point of bitumen?
A. Impact
B. Ball and ring
C. Flame
D. Viscosity - Aniline point test of an oil qualitatively indicates the ______________ content of an oil?
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene - _____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?
A. Magnesium
B. Potassium
C. Calcium
D. Sodium - Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about _____________ kms?
A. 0.1 to 0.5
B. 1.5 to 4.5
C. 7.5 to 12.5
D. 15-20 - _____________ base crude oil is also called asphaltic crude?
A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic - Complete removal of _____________ from gasoline is done by Unisol process using caustic soda and methyl alcohol?
A. Waxes
B. Mercaptans
C. Asphalt
D. Diolefins - In the atmospheric pressure crude distillation, the content of _____________ from lighter fraction to heavier ones?
A. Sulphur increases
B. Sulphur decreases
C. Nitrogen decreases
D. None of these - Cracking is___________________?
A. An exothermic reaction
B. An endothermic reaction
C. Favoured at very low temperature
D. None of these
