A. Specific gravity
B. Melting point
C. Viscosity
D. Penetration number
Related Mcqs:
- Paraffin base crude oil as compared to asphalt base crude gives___________________?
A. Higher yield of straight run gasoline
B. Higher octane number gasoline
C. Lower viscosity index lube oil
D. Poorer yield of lube oil - Waxes present in petroleum products_________________?
A. Can be separated out by distillation
B. Are not soluble in them
C. Crystallise out at low temperature
D. Decrease their viscosity - Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene ?
A. Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins →
naphthenes → aromatics
B. Smoking tendency of paraffins increases with decrease in its molecular weight
C. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on
addition of double bond
D. Smoking tendency of aromatics decreases with increase in its molecular weight - Which is an anticing compound ?
A. Amyl nitrate
B. Alcohols
C. Mercaptans
D. Pyridine - Products drawn from the top to bottom of the crude oil distillation column has progressively increasing ___________________?
A. Boiling points
B. Molecular weight
C. C/H ratio
D. All A., B. and C. - Feedstock for polymerisation is__________________?
A. Naphtha
B. Cracked gases rich in C2 & C4 olefins
C. Low boiling aromatics
D. None of these - Extractor temperature is maintained at -20°C in Edeleanu process to reduce the ______________ of kerosene?
A. Smoke point
B. Paraffins
C. Aromatics
D. Naphthenes - Flash point of motor gasoline may be around ______________ °C?
A. 10
B. 45
C. 100
D. 150 - Performance number of a liquid fuel is related to its __________________?
A. Wax content
B. Spontaneous ignition temperature
C. Knocking tendency
D. Sulphur content - Pick out the correct statement?
A. Paraffins have higher octane number than corresponding iso-paraffin
B. Paraffins have lower smoke point than aromatics
C. Suitability of kerosene as a fuel & as an illuminant may be determined by char value test
D. Aviation fuel should have very high cloud point
