A. Black
B. White
C. Red
D. Yellow
Related Mcqs:
- 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 - Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?
A. Naphtha
B. Petrol
C. Kerosene
D. Heavy fuel oil - Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?
A. PCM
B. Tar
C. Light diesel oil
D. Low viscosity furnace oil - Which one is used to determine the colour of petroleum products ?
A. Colour comparator
B. Saybolt chromometer
C. Cleveland apparatus
D. None of these - 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 - Clay treatment of petroleum products __________________?
A. Decolorizes & stabilises cracked gasoline
B. Desulphurise straight run gasoline & kerosene
C. Adsorb arsenic from feedstock to catalytic reforming
D. All A., B. & C. - Increase in the specific gravity of petroleum products indicates________________?
A. Decrease in paraffin content
B. Increase in thermal energy per unit weight
C. Increase in aromatic content
D. Higher H/C ratio - In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen_________________?
A. Enhances the desulphurisation process
B. Minimises coke formation
C. Both A. and B.
D. Neither A. nor B. - With increase in density, the viscosity of petroleum products _____________________?
A. Increases
B. Decreases
C. Remain same
D. Either A. or B. - Which of the following is used as a solvent in deasphalting of petroleum products ?
A. Furfural
B. Propane
C. Methyl ethyl ketone
D. Liquid sulphur dioxide