A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles
Related Mcqs:
- Which of the following fractions of petroleum contains maximum sulphur ?
A. Diesel
B. Gasoline
C. Naphtha
D. Atmospheric residue - 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. - Which of the following petroleum products contain minimum sulphur ?
A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil - Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about_________________?
A. 0.1
B. 1
C. 2.5
D. 3.5 - 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 - Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?
A. 600-750
B. 250-350
C. 1000-1500
D. 2000-2500 - Which of the following constituents present in petroleum is responsible for ash formation ?
A. Nitrogen compounds
B. Organometallic compounds
C. Sulphur compounds
D. Oxygen compounds - _____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?
A. Magnesium
B. Potassium
C. Calcium
D. Sodium - Waxes present in petroleum products_________________?
A. Can be separated out by distillation
B. Are not soluble in them
C. Crystallise out at low temperature
D. Decrease their viscosity - Which of the following contains maximum sulphur ?
A. Diesel
B. Petrol
C. Kerosene
D. Fuel oil
