Category: 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.

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

A. A pale color of petroleum product indicates lower viscosity
B. Color of petroleum products indicates the degree of refinement
C. Lighter petroleum distillates are lighter in color than the heavier residual oils
D. Fluorescence of oils helps to detect its adulteration

A. 5-10
B. 30-80
C. 150-250
D. 350-400

A. Removal of dissolved gases from it
B. Increasing its oxidation stability
C. Improving its lead susceptibility
D. Increasing its vapour pressure

A. Hydroforming
B. Thermofor catalytic reforming
C. Platforming
D. Hyperforming

A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic

A. R-COOH
B. R-S-H
C. R-S-R
D. R-S-R’

A. Olefins and aromatics
B. Lighter paraffins
C. Stabilised gasoline
D. Diesel

A. Case of starting
B. Rate of acceleration
C. Vapour locking tendency
D. All A., B. and C.