A. Improve the octane number
B. Act as an antioxidant
C. Reduce its viscosity
D. Increase its pour point
Related Mcqs:
- Gasoline extracted from natural gas (by compression and cooling) is called the ___________ gasoline?
A. Polymer
B. Unleaded
C. Casing head
D. Straight run - The amount of tetraethyl lead added to improve the octane number of motor gasoline is around ______________ c.c per gallon of petrol?
A. 3
B. 300
C. 3000
D. 1000 - Tetra-ethyl lead is added in gasoline to ______________________?
A. Increase its smoke point
B. Reduce gum formation
C. Reduce the pour point
D. Increase its octane number - Pyrolysis of kerosene or natural gasoline is done to produce mainly the___________________?
A. Olefins and aromatics
B. Lighter paraffins
C. Stabilised gasoline
D. Diesel - Casing head gasoline is the liquid __________________?
A. Butane
B. Propane
C. Natural gas
D. Gasoline separated from wet natural gas by compression - Octane number (unleaded) of reformed gasoline may be upto ________________?
A. 60
B. 70
C. 80
D. 90 - Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with __________________?
A. Methyl alcohol
B. Ethyl alcohol
C. Methane
D. Ethane - Complete removal of _____________ from gasoline is done by Unisol process using caustic soda and methyl alcohol?
A. Waxes
B. Mercaptans
C. Asphalt
D. Diolefins - Octane number of gasoline is a measure of its__________________?
A. Resistance to knock
B. Ignition delay
C. Ignition temperature
D. Smoke point - _____________ determination is not a very significant and important test for gasoline?
A. Gum & sulphur content
B. Viscosity
C. Octane number
D. Reid vapor pressure
