A. 0.1 to 0.5
B. 1.5 to 4.5
C. 7.5 to 12.5
D. 15-20
A. Catalytic naphtha – coking naphtha – virgin naphtha
B. Coking naphtha – virgin naphtha – catalytic naphtha
C. Virgin naphtha – catalytic naphtha – coking naphtha
D. Virgin naphtha – coking naphtha – catalytic naphtha
The order of preference for feedstock to a catalytic reformer is _________________ ? Read More »
Petroleum Refinery Engineering A. Heating
B. Cooling
C. Solvent extraction
D. Both B. & C.
Deoiling of wax is done by its _________________? Read More »
Petroleum Refinery Engineering A. Stabilisation
B. Visbreaking
C. Cracking
D. Reforming
Which of the following processes is used for the production of petroleum coke ? Read More »
Petroleum Refinery Engineering A. Saturated hydrocarbons
B. Unsaturated cyclic compounds (hydrocarbons)
C. Present in substantially good quantity in crude petroleum
D. None of these
Olefins are_________________? Read More »
Petroleum Refinery Engineering A. 80
B. 87
C. 92
D. 97
A. Naphtha
B. Cracked gases rich in C2 & C4 olefins
C. Low boiling aromatics
D. None of these
Feedstock for polymerisation is__________________? Read More »
Petroleum Refinery Engineering A. Tetraethyl lead
B. Tetramethyllead
C. Ethyl nitrate or acetone
D. None of these
Which of the following is an additive used for improving the cetane number of diesel ? Read More »
Petroleum Refinery Engineering A. Gives higher yield of petrol
B. Lower octane number of petrol
C. Higher sulphur content in the product
D. Higher gum forming material in petrol
A. Dubbs process
B. T.C.C. moving bed process
C. Fluidised bed catalytic cracking process
D. Houdry’s fixed bed process
Which of the following is the most widely used cracking process in oil refineries ? Read More »
Petroleum Refinery Engineering