A. Is the measure of its flash point
B. Is the measure of variation of viscosity with temperature
C. Should be low
D. None of these
Viscosity index of a lubricating oil_________________? Read More »
Petroleum Refinery Engineering A. Pour point
B. Viscosity
C. Pressure drop on pumg
D. All A., B. and C.
Fuel oil is subjected to visbreaking to reduce its_______________? Read More »
Petroleum Refinery Engineering A. Naphthenic
B. Asphalt
C. Paraffin
D. Mixed
Both asphalt and wax are produced by ______________ base crude oils? Read More »
Petroleum Refinery Engineering A. Alkylation
B. Polymerisation
C. Isomerisation
D. None of these
______________ converts n-paraffins to i-paraffins ? Read More »
Petroleum Refinery Engineering A. Very little oil
B. No natural gas
C. Only natural gas
D. All A., B. and C.
A petroleum well is called ‘dry’, if it contains ____________________? Read More »
Petroleum Refinery Engineering A. Methanol in Unisol process
B. Naphthenic acid in Mercapsol process
C. Both A. and B.
D. Neither A. nor B.
In solutizer sweetening process, solutizer solution used is_______________? Read More »
Petroleum Refinery Engineering A. Furfural
B. Phenol
C. Propane
D. Hexane
Solvent used in the deasphalting process is ______________________? Read More »
Petroleum Refinery Engineering A. 30
B. 45
C. 75
D. 95
Cetane number of high speed diesel must be ≥_________________? Read More »
Petroleum Refinery Engineering A. Case of starting
B. Rate of acceleration
C. Vapour locking tendency
D. All A., B. and C.
Boiling range of motor gasoline is an indication of the ___________________? Read More »
Petroleum Refinery Engineering A. Naphtha
B. Lubricating oils
C. Wax
D. Cracking feedstock
Furfural solvent extraction is used for upgrading (by dissolving aromatics) ? Read More »
Petroleum Refinery Engineering