gasoline obtained has a very low octane number.
pressure & temperature is very high.
gasoline obtained has very high aromatic content.
gasoline obtained has very high amount of gum forming compounds.
✅ The correct answer is option C.
Engineering
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2422. Bottom product of atmospheric pressure crude oil distillation column is termed as
reduced crude
heavy ends
asphalt
residuum
✅ The correct answer is option A.
2423. Antioxidants are added in petrol to
impart colour to it, for easy identification.
minimise the gum formation.
prevent icing of the carburettor.
prevent the lead build up in engines.
✅ The correct answer is option B.
2424. Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners ?
PCM
Tar
Light diesel oil
Low viscosity furnace oil
✅ The correct answer is option C.
2425. Fuel oil is subjected to visbreaking to reduce its
pour point
viscosity
pressure drop on pumping
all (a), (b) and (c)
✅ The correct answer is option D.
2426. Aniline point is the
characteristic property of diesel & lubricating oils.
measure of aromatic content of oil.
both (a) and (b).
neither (a) nor (b).
✅ The correct answer is option C.
2427. Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO2 extraction (Edeleanu process), its smoke point may become __________ mm.
5
10
25
100
✅ The correct answer is option C.
2428. The characterisation factor of crude petroleum oil is around
3
11
22
28
✅ The correct answer is option B.
2429. In catalytic alkylation, higher iso-butane to olefin ratio gives
low final boiling point product
higher yield
both (a) and (b)
neither (a) nor (b)
✅ The correct answer is option A.
2430. Petrolatum is
same as petroleum ether.
petroleum coke.
a mixture of microcrystalline wax in viscous hydrocarbon liquids.
none of these.
✅ The correct answer is option C.