311. Which of the following is used as a solvent in deasphalting of petroleum products ?
Furfural
Propane
Methyl ethyl ketone
Liquid sulphur dioxide
✅ The correct answer is option B.
Petroleum Refinery Engineering MCQs
312. Olefins are
saturated hydrocarbons.
unsaturated cyclic compounds (hydrocarbons).
present in substantially good quantity in crude petroleum.
none of these.
✅ The correct answer is option D.
313. Ethyl mercaptan is a/an __________ compound.
sulphur
nitrogen
oxygen
none of these
✅ The correct answer is option A.
314. Which of the following contains maximum sulphur ?
Diesel
Petrol
Kerosene
Fuel oil
✅ The correct answer is option D.
315. The condesate obtained on compression of wet natural gas is termed as
liquefied natural gasoline
natural gasoline
liquid natural gas
none of these
✅ The correct answer is option B.
316. Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
unsaturated hydrocarbon content
calorific value
quantity of propane
quantity of butane
✅ The correct answer is option B.
317. Catalyst used in isomerisation process is
H2SO4
H3PO4
HF
AlCl3
✅ The correct answer is option D.
318. 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
2
-40
30
55
✅ The correct answer is option A.
319. Furfural solvent extraction is used for upgrading (by dissolving aromatics)
naphtha
lubricating oils
wax
cracking feedstock
✅ The correct answer is option B.
320. The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg.
1.2
12
120
700
✅ The correct answer is option C.