A. More than 100
B. Round about 100
C. Between 50 and 100
D. Less than 25
Related Mcqs:
- 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 - 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 - 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 - Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic____________________?
A. Cracking
B. Polymerisation
C. Reforming
D. Isomerisation - Glycol added to petrol acts as a/an ________________ agent ?
A. Anti-knocking
B. Anti-icing
C. Anti-gum forming
D. Dewaxing - Octane number (unleaded) of reformed gasoline may be upto ________________?
A. 60
B. 70
C. 80
D. 90 - Antioxidants are added in petrol to _____________________?
A. Impart colour to it, for easy identification
B. Minimise the gum formation
C. Prevent icing of the carburettor
D. Prevent the lead build up in engines - Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about ________________ ppm?
A. 1
B. 50
C. 5000
D. 10000 - 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 - Octane number of gasoline produced by two stage fluidised catalytic cracking process is___________________?
A. 80
B. 87
C. 92
D. 97
