A. Leads to corrosion
B. Increases lead susceptibility
C. Decreases gum formation
D. Helps during stabilisation
Related Mcqs:
- Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about_________________?
A. 0.1
B. 1
C. 2.5
D. 3.5 - Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil ?
A. Modern theory
B. Carbide theory
C. Engler theory
D. All A., B. and C. - The best method of determining sulphur in crude oil is by the _______________ method?
A. Kjeldahl
B. Dumas
C. Bomb calorimeter
D. Junkers calorimeter - Which of the following fractions of petroleum contains maximum sulphur ?
A. Diesel
B. Gasoline
C. Naphtha
D. Atmospheric residue - Sulphur content in lighter and heavier petroleum products is generally determined respectively by _______________?
A. Lamp method and bomb method
B. Bomb method and lamp method
C. Bomb method and quartz tube method
D. Quartz tube method and lamp method - Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?
A. Increase its smoke point
B. Improve its oxidation stability
C. Decrease the breathing loss
D. None of these - Which of the following petroleum products contain minimum sulphur ?
A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil - Which of the following is not a sulphur compound present in petroleum ?
A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles - Which of the following contains maximum sulphur ?
A. Diesel
B. Petrol
C. Kerosene
D. Fuel oil - Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?
A. High pour point and low smoke point
B. Low viscosity index
C. High self-ignition temperature
D. All A., B. and C.
