Catalyst used in the catalytic cracking is_____________________?
A. Silica-alumina
B. Silica gel
C. Vanadium pentoxide
D. Nickel
Petroleum Refinery Engineering
For gasoline, the flash point (
For gasoline, the flash point (<50°C) is determined by the______________________?
A. Abel apparatus
B. Pensky-Marten’s apparatus
C. Saybolt chromometer
D. None of these
Main constituent of natural gas is___________________?
Main constituent of natural gas is___________________?
A. CH4
B. C2H2
C. C2H4
D. C2H6
Crude oil is subjected to vacuum distillation in the last stage, because_________________?
Crude oil is subjected to vacuum distillation in the last stage, because_________________?
A. High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may
decompose
B. Lighter/low boiling products are prone to thermal decomposition
C. High purity products can be obtained thereby
D. None of these
Aniline point test of an oil qualitatively indicates the ______________ content of an oil?
Aniline point test of an oil qualitatively indicates the ______________ content of an oil?
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene
Pour point and freezing point is equal for__________________?
Pour point and freezing point is equal for__________________?
A. Petrol
B. Diesel
C. Water
D. Crude petroleum
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?
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
Solution used in Doctor’s treatment for the removal of mercaptans is_________________?
Solution used in Doctor’s treatment for the removal of mercaptans is_________________?
A. Sodium hydroxide
B. Sodium plumbite
C. Cupric chloride
D. Potassium isobutyrate
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is_________________?
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is_________________?
A. Propane
B. Diethylene glycol
C. Aqueous solution (10% water) of diethylene glycol
D. Methyl ethyl ketone (MEK)
Straight run petrol as compared to methyl/ethyl alcohol has_________________?
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