Month: March 2019

A. Ignition delay
B. Smoke point
C. Viscosity
D. Oxidation stability

A. 2
B. 5
C. 10
D. 25

A. More than 100
B. Round about 100
C. Between 50 and 100
D. Less than 25

A. Equal weight of diesel & the aniline are completely miscible
B. Equal weight of aniline & the test sample are completely miscible
C. Equal volume of aniline & the test sample are completely miscible
D. Aniline vaporises

A. Low molecular weight & low boiling point compounds present in petroleum
B. Desirable in catalytic cracking feedstock, because they produce coke
C. Readily oxidisable and form carbonaceous sludge
D. All A., B. & C.

A. Presence of unsaturated air
B. Fluctuation of ambient temperature during day and night
C. Both A. and B.
D. Neither A. nor B.

A. Fixed bed
B. Moving bed
C. Fluidised bed
D. Non-catalytic

A. Acid
B. Solvent extraction
C. Alkali
D. Clay

A. Emulsification tendency
B. Water separation characteristics
C. Water content
D. Water absorbing capacity from atmosphere

A. Sulphur & its compounds
B. Water
C. Organic impurities
D. Wax