Related Questions

Crude topping column operates at __________ pressure.
A Atmospheric
B 10 atm
C Vacuum
D 3 atm
Crude oil is transported inland from oil field to refineries, mainly by the
A Road tankers
B Rail tankers
C Underground pipelines
D None of these
Which of the following is the most widely used cracking process in oil refineries?
A Dubbs process
B T.C.C. moving bed process
C Fluidised bed catalytic cracking process
D Houdry's fixed bed process
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
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
The coking process normally mostly used in Indian oil refineries is the __________ coking process.
A Delayed
B Flexi
C Fluid
D Contact
The thickness of the topping of a ribbed slab, varies between
A 3 cm to 5 cm
B 5 cm to 8 cm
C 8 cm to 10 cm
D 12 cm to 15 cm
Main pollutants released from petroleum refineries is
A CO, SO2 & H2S
B CO2, NO & SO3
C CO2, H2S & NO2
D SO3, NO2 & CO2

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