A. 40-60
B. 100-130
C. 250-300
D. 350-400
Related Mcqs:
- Molecular weight of crude petroleum may be around________________?
A. 50
B. 250
C. 1500
D. 5000 - With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?
A. Increases
B. Decreases
C. Remain same
D. Is unpredictable - Carbon percentage (by weight) in crude petroleum may be about_________________?
A. 65
B. 75
C. 85
D. 95 - Gasoline yield in catalytic reforming of naphtha may be about _________________ percent by weight?
A. 85
B. 65
C. 50
D. 98 - Hydrogen percentage (by weight) in crude petroleum may be about __________________?
A. 5
B. 15
C. 25
D. 35 - 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 - Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?
A. Paraffins
B. Aromatics
C. Mercaptans
D. Naphthenic acid - 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 - Stabilisation of gasoline (petrol) means ___________________?
A. Removal of dissolved gases from it
B. Increasing its oxidation stability
C. Improving its lead susceptibility
D. Increasing its vapour pressure - Straight run petrol as compared to methyl/ethyl alcohol has_________________?
A. Lower calorific value
B. Lower octane number
C. Higher specific gravity
D. Higher ignition temperature
