A. Is light and better
B. Gives more distillates
C. Gives less tar
D. All A., B. and C.
Older crude petroleum __________________? Read More »
Petroleum Refinery Engineering A. Complete miscibility with oil
B. High solubility of wax in the solvent
C. Both A. and B.
D. Neither A. nor B.
Pick out the undesirable property for a solvent meant for dewaxing of lube oil ? Read More »
Petroleum Refinery Engineering A. Potassium isobutyrate
B. Sodium plumbite
C. Methanol
D. Phenol
In sweetening process, solutizer agent used with caustic alkali is_______________? Read More »
Petroleum Refinery Engineering A. 4
B. 3
C. 2
D. 1
A. Flash point and acid value
B. Aniline point
C. Dielectric strength
D. Copper strip corrosion test
Which of the following tests is not done for transformer oil ? Read More »
Petroleum Refinery Engineering A. Same as petroleum ether
B. Petroleum coke
C. A mixture of microcrystalline wax in viscous hydrocarbon liquids
D. None of these
Petrolatum is__________________? Read More »
Petroleum Refinery Engineering A. Smoke point
B. Paraffins
C. Aromatics
D. Naphthenes
A. Methyl-ethyl-ketone (MEK)
B. Naphtha
C. Petroleum ether
D. Sodium plumbite
Most widely used solvent for dewaxing is__________________? Read More »
Petroleum Refinery Engineering A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles
Which of the following is not a sulphur compound present in petroleum ? Read More »
Petroleum Refinery Engineering 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
Pour point of a petrofuel is________________? Read More »
Petroleum Refinery Engineering