Related Questions

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
Sour crude means the __________ bearing crude.
A Asphalt
B Sulphur compounds
C Wax
D Nitrogen compounds
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
__________ base crude oil is also called asphaltic crude.
A Paraffinic
B Naphthenic
C Mixed
D Aromatic
The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by
A term contracts
B term tenders
C monthly tenders
D All the above
The most common process of separating the many compounds present in crude petroleum is by-
A Distillation
B Synthesis
C Fermentation
D Galvanization
অপরিশোধিত পেট্রোলিয়াম বিশোধনে যে প্রক্রিয়া অধিক কার্যকর (In refining crude petroleum the more effective operation is)
A Distillation
B Steam distillation
C Sublimation
D Fractional distillation
Carbon percentage (by weight) in crude petroleum may be about
A 65
B 75
C 85
D 95
Hydrogen percentage (by weight) in crude petroleum may be about
A 5
B 15
C 25
D 35
Molecular weight of crude petroleum may be around
A 50
B 250
C 1500
D 5000

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