The general formula of naphthenes is___________________?
A. CnH2n + 2
B. CnH2n-6 (where, n ≥ 6)
C. CnHn-4
D. Same as that for olefins i.e. CnH2n
Petroleum Refinery Engineering
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with __________________?
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with __________________?
A. Methyl alcohol
B. Ethyl alcohol
C. Methane
D. Ethane
Extractor temperature is maintained at -20°C in Edeleanu process to reduce the _________________ of kerosene?
Extractor temperature is maintained at -20°C in Edeleanu process to reduce the _________________ of kerosene?
A. Smoke point
B. Paraffins
C. Aromatics
D. Naphthenes
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about ________________ mm Hg absolute?
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about ________________ mm Hg absolute?
A. 1 to 5
B. 30 to 80
C. 250 to 350
D. 450 to 500
Paraffins are desirable in lubricating oil, as it has got high_____________________?
Paraffins are desirable in lubricating oil, as it has got high_____________________?
A. Viscosity
B. Viscosity index
C. Smoke point
D. Pour point
Platforming is a ____________ process?
Platforming is a ____________ process?
A. Moving bed
B. Fluidised bed
C. Non-regenerative & fixed bed
D. Regenerative
With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?
With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?
A. Increases
B. Decreases
C. Remain same
D. Is unpredictable
Which of the following is a non-regenerative fixed bed catalytic reforming process ?
Which of the following is a non-regenerative fixed bed catalytic reforming process ?
A. Hydroforming
B. Thermofor catalytic reforming
C. Platforming
D. Hyperforming
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?
A. High pour point and low smoke point
B. Low viscosity index
C. High self-ignition temperature
D. All A., B. and C.
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?
A. Paraffins
B. Aromatics
C. Mercaptans
D. Naphthenic acid