A. Aromatics
B. i-paraffins
C. Naphthenes
D. Olefins
Related Mcqs:
- Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octane is chemically known as ___________________?
A. α-methyl naphthalene
B. 2-2-4 tri methyl pentane
C. 1, 3 butadiene
D. Tetra methyl ethylene - Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________________?
A. More than 100
B. Round about 100
C. Between 50 and 100
D. Less than 25 - 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 - Which of the following gasoline (unleaded) has the least octane number ?
A. Catalytically cracked gasoline
B. Straight run gasoline
C. Catalytically reformed gasoline
D. Polymer gasoline - Octane number (unleaded) of gasoline produced by isomerisation of butane may be about __________________?
A. 45
B. 55
C. 70
D. 90 - Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic____________________?
A. Cracking
B. Polymerisation
C. Reforming
D. Isomerisation - Octane number (unleaded) of reformed gasoline may be upto ________________?
A. 60
B. 70
C. 80
D. 90 - 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 - Octane number of gasoline is a measure of its__________________?
A. Resistance to knock
B. Ignition delay
C. Ignition temperature
D. Smoke point - Research octane number refers to the___________________?
A. Low octane number motor fuels
B. High octane number motor fuels
C. High octane number aviation fuels
D. Unleaded motor fuels
