Related Questions

Octane number (unleaded) of reformed gasoline may be upto
A 60
B 70
C 80
D 90
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
Unleaded petrol contains __________ which are known as carcinogenic compounds
A nitrates
B sulphates
C benzene
D phosphates
If the cost of x litters unleaded CNG priced at Tk. 1.24 per litter is equal to the cost of x+2 litters of regular CNG priced at Tk. 1.16 per litter, then the value of x is ---
A 29
B 24
C 16.6
D 14.5
The compound that has the least value for octane number is :
A 2-methyl heptane
B Iso-octane
C 2,2-dimethyl hexane
D N-heptane
Which of the following has the highest octane number?
A Aromatics
B I-paraffins
C Naphthenes
D Olefins
By higher octane number of spark ignition fuel, it is meant that the fuel has
A Higher heating value
B Higher flash point
C Lower volatility
D Longer ignition delay

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