A. Molecular weight
B. Aromatics content
C. Both A. & B.
D. Neither ‘a’ nor ‘b’
Related Mcqs:
- Water separometer index (modified) (WSIM) of a petrofuel is the measure of its____________________?
A. Emulsification tendency
B. Water separation characteristics
C. Water content
D. Water absorbing capacity from atmosphere - Specific gravity of a petroleum product gives an indication of its _________________?
A. Degree of refinement
B. Hydrocarbon content type (aromatic or paraffinic)
C. Ease of atomisation
D. Sulphur content - High aniline point of a petrofuel (say diesel) indicates that ________________?
A. It is highly aromatic in nature
B. It is highly paraffinic in nature
C. It has a very low diesel index
D. Its ignition quality is very poor - Pour point of a petrofuel is________________?
A. Multiple of 3°F
B. Multiple of 5°F
C. 5°C below the temperature at which oil ceases to flow
D. None of these - The colour of gasoline is an indication of its _________________?
A. Octane number
B. Lead susceptibility
C. Gum forming tendency & thoroughness of refining
D. None of these - Reid vapour pressure of gasoline is the measure of its_________________?
A. Pour point
B. Cloud point
C. Vapour locking tendency
D. Carbon residue - Boiling range of motor gasoline is an indication of the ___________________?
A. Case of starting
B. Rate of acceleration
C. Vapour locking tendency
D. All A., B. and C. - Diesel index (an alternative index for expressing the quality of diesel) is_______________?
A. Determined by using a test engine
B. Not related to aniline point
C. Equal to cetane number plus 3
D. All A., B. & C. - Removal of light fractions from crude oil is called its _____________________?
A. Sweetening
B. Dehydration
C. Stabilisation
D. Visbreaking - Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is________________?
A. 4
B. 3
C. 2
D. 1
