A. Low octane number motor fuels
B. High octane number motor fuels
C. High octane number aviation fuels
D. Unleaded motor fuels
Petroleum Refinery Engineering
Diesel used in naval applications has a minimum cetane number of ___________________?
A. 25
B. 35
C. 45
D. 65
Petroleum is believed to have originated from _______________ sources?
A. Vegetable
B. Animal
C. Both A. and B.
D. Neither A. nor B.
Pick out the correct statement about catalytic polymerisation ?
A. H2SO4 polymerisation process gives gasoline rich in unsaturates
B. In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho
H3PO4 formation, which are inactive
C. Both A. and B.
D. Neither A. nor B.
________________ treatment is done for appreciable improvement in viscosity index of lubricating oil?
A. Acid
B. Solvent extraction
C. Alkali
D. Clay
Pour point of a petrofuel is________________?
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
Catalyst used in the isomerisation is_______________________?
A. Aluminium chloride
B. Alumina
C. Nickel
D. Phosphoric acid
In catalytic cracking, the___________________?
A. Gasoline obtained has a very low octane number
B. Pressure & temperature is very high
C. Gasoline obtained has very high aromatic content
D. Gasoline obtained has very high amount of gum forming compounds
Both asphalt and wax are produced by ______________ base crude oils?
A. Naphthenic
B. Asphalt
C. Paraffin
D. Mixed
Catalyst used in catalytic polymerisation which produces polymer gasoline is_________________?
A. H2SO4
B. H3PO4
C. Both A. and B.
D. AlCl3
