Category: Petroleum Refinery Engineering

A. Lower Reid vapour pressure
B. Higher acid number
C. Higher flash point and fire point
D. Lower flash point and fire point

A. Sulphur content
B. Viscosity
C. Aniline point
D. Flash point

A. Unsaturated hydrocarbon content
B. Calorific value
C. Quantity of propane
D. Quantity of butane

A. Higher specific gravity of petroleum products means higher C/H ratio
B. Aromatics have lower specific gravity than corresponding paraffins
C. Hydrocarbons of low specific gravity (e.g., paraffins) possess the maximum thermal energy per unit volume
D. Hydrocarbons of high specific gravity (e.g., aromatics) possess the maximum thermal energy per unit weight

A. Low flash point
B. High breathing loss
C. Both A. and B.
D. Neither A. nor B.

A. Fluid catalytic cracking
B. Visbreaking
C. Propane deasphalting
D. None of these

A. 45
B. 55
C. 70
D. 90

A. Tetraethyl lead
B. Tetramethyllead
C. Ethyl nitrate or acetone
D. None of these

A. Thermal cracking
B. Gum formation
C. Coking
D. Discoloration

A. Methyl alcohol
B. Ethyl alcohol
C. Methane
D. Ethane