A. Di-olefin
B. Naphthene
C. Aromatic
D. Olefin
Related Mcqs:
- Which of the following is not an important property of fuel oil/furnace oil ?
A. Sulphur content
B. Viscosity
C. Aniline point
D. Flash point - True vapour pressure of a petroleum fraction ________________ Reid vapour pressure?
A. Is less than
B. Is more than
C. Is same as
D. May be either more or less than - True boiling point apparatus is used for the__________________?
A. Determination of characterisation factor
B. Evaluation of oil stocks
C. Determination of true vapour pressure
D. None of these - A typical yield of kerosene in straight run distillation of crude oil may be about __________________ percent?
A. 4
B. 10
C. 18
D. 26 - With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?
A. Increases
B. Decreases
C. Remain same
D. Is unpredictable - Choose the correct statement regarding thermal cracking ?
A. Moderate changes in operating temperature does not change the depth of cracking
B. Increased residence time results in the decreased severity of cracking
C. At low pressure, the yield of lighter hydrocarbons are more
D. Greater depth of cracking gives lower octane number gasoline - Isomerisation converts the ___________________ tot-paraffins?
A. Paraffins
B. Olefins
C. Naphthenes
D. None of these - Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?
A. 1
B. 5
C. 15
D. 25 - Smoke point of kerosene expresses its__________________?
A. Burning characteristics
B. Luminosity characteristics
C. Aromatic content directly
D. Lamp wick wetting characteristics - Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________?
A. Propane & phenol-cresol mixture
B. Methyl ethyl ketone & glycol
C. Phenol & furfural
D. Propane & liquid sulphur dioxide
