Petroleum Refinery Engineering

A. 2
B. 6
C. 12
D. 18

A. Is light and better
B. Gives more distillates
C. Gives less tar
D. All A., B. and C.

A. Complete miscibility with oil
B. High solubility of wax in the solvent
C. Both A. and B.
D. Neither A. nor B.

A. Potassium isobutyrate
B. Sodium plumbite
C. Methanol
D. Phenol

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

A. Same as petroleum ether
B. Petroleum coke
C. A mixture of microcrystalline wax in viscous hydrocarbon liquids
D. None of these

A. Smoke point
B. Paraffins
C. Aromatics
D. Naphthenes

A. Methyl-ethyl-ketone (MEK)
B. Naphtha
C. Petroleum ether
D. Sodium plumbite

A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles