Related Questions

Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic
A Cracking
B Polymerisation
C Reforming
D Isomerisation
Which of the following is used as a catalyst in fluidised bed catalytic cracking?
A Silica-magnesia
B Silica-alumina
C Bentonite clays
D All of the above
In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
A 100
B 200-300
C 1000-10000
D 10
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil
A Gives higher yield of petrol
B Lower octane number of petrol
C Higher sulphur content in the product
D Higher gum forming material in petrol
Octane number (unleaded) of gasoline produced by isomerisation of butane may be about
A 45
B 55
C 70
D 90
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
A car goes 15 km on a gallon of octane when it is driven at 50 km/h. When the car is driven at 60 km/h, it only goes 80% as far. How many gallons of octane are needed to travel 200 km if half the distance is traveled at 50 km/h and the rest 60 km/h?
A 15.00
B 16.67
C 10.60
D 14.00
A car goes 15 miles on a gallon of octane when it is driven at 50 miles per hour. When the car is driven at 60 miles per hour, it only goes 80% as far. How many gallons of octane is needed to travel 200 miles if half the distance is traveled at 50 miles per hour and the rest at 60 miles per hour?
A 13.33
B 16.67
C 10.6
D 15
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

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