Category: Petroleum Refinery Engineering

A. 1
B. 5
C. 15
D. 25

A. Very little oil
B. No natural gas
C. Only natural gas
D. All A., B. and C.

A. Blending component for kerosene
B. Blending component for petrol
C. Feedstock for fluid catalytic cracking unit
D. None of these

A. Aromatics have higher specific gravity than paraffins
B. Gross calorific value (GCV) of petrofuels is equal to (12400 – 2100 ρ2) where, ρ is the specific gravity of the fuel at 15.5°C
C. Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre)
D. Higher specific gravity of petrofuels means higher C/H ratio

A. Silica-magnesia
B. Silica-alumina
C. Bentonite clays
D. All A., B. and C.

A. 4
B. 3
C. 2
D. 1

A. 1 to 5
B. 30 to 80
C. 250 to 350
D. 450 to 500

A. Black
B. White
C. Red
D. Yellow

A. Burning characteristics
B. Luminosity characteristics
C. Aromatic content directly
D. Lamp wick wetting characteristics

A. °API gravity
B. Specific gravity
C. Viscosity
D. Flashpoint