A. CnH2n + 2
B. CnH2n-6 (where, n ≥ 6)
C. CnHn-4
D. Same as that for olefins i.e. CnH2n
The general formula of naphthenes is___________________? Read More »
Petroleum Refinery Engineering A. Methyl alcohol
B. Ethyl alcohol
C. Methane
D. Ethane
A. Smoke point
B. Paraffins
C. Aromatics
D. Naphthenes
A. 1 to 5
B. 30 to 80
C. 250 to 350
D. 450 to 500
A. Viscosity
B. Viscosity index
C. Smoke point
D. Pour point
Paraffins are desirable in lubricating oil, as it has got high_____________________? Read More »
Petroleum Refinery Engineering A. Moving bed
B. Fluidised bed
C. Non-regenerative & fixed bed
D. Regenerative
Platforming is a ____________ process? Read More »
Petroleum Refinery Engineering A. Increases
B. Decreases
C. Remain same
D. Is unpredictable
A. Hydroforming
B. Thermofor catalytic reforming
C. Platforming
D. Hyperforming
Which of the following is a non-regenerative fixed bed catalytic reforming process ? Read More »
Petroleum Refinery Engineering A. High pour point and low smoke point
B. Low viscosity index
C. High self-ignition temperature
D. All A., B. and C.
A. Paraffins
B. Aromatics
C. Mercaptans
D. Naphthenic acid
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ? Read More »
Petroleum Refinery Engineering