Nuclear engineering is the branch of engineering concerned with the application of the breakdown (fission) as well as the fusion of atomic nuclei and/or the application of other sub-atomic physics, based on the principles of nuclear physics.
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'
An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. A. 5 B. 15 C. 40 D. 60
Petrolatum is A. same as petroleum ether. B. petroleum coke. C. a mixture of microcrystalline wax in viscous hydrocarbon liquids. D. none of these.
Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms. A. 0.1 to 0.5 B. 1.5 to 4.5 C. 7.5 to 12.5 D. 15-20
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