⟩ What is gateway-to-gateway protocol in network engineering?
It is a protocol formerly used to exchange routing information between Internet core routers.
It is a protocol formerly used to exchange routing information between Internet core routers.
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
Solvent used for dewaxing of petroleum products are A. furfural B. methyl ethyl ketone (MEK) C. propane D. both(b)&(c)
The pressure (kg/cm2 ) and temperature (°C) maintained in electrical desalters for crude oil are respectively A. 10 and 120 B. 1 and 200 C. 50 and 250 D. 10 and 300
Deoiling of wax is done by its A. heating B. cooling C. solvent extraction D. both(b)&(c)
The average boiling point of aviation turbine fuel is closest to that of A. lubricating oils B. LPG C. diesel D. Kerosene
Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. A. 50 B. 70 C. 90 D. 140
The most widely used crude topping column in refineries is the __________ column. A. bubble-cap B. packed bed C. fluidised bed D. perforated plate
Molecular weight of crude petroleum may be around A. 50 B. 250 C. 1500 D. 5000
Electrical desalting of crude oil removes the __________ impurities. A. oleophilic B. oleophobic C. both (a) and (b) D. neither (a) nor (b)
Mercaptans is represented as (where R and R' are alkyl groups) A. R-COOH B. R-S-H C. R-S-R D. R-S-R'