211. Petroleum is believed to have originated from __________ sources.
vegetable
animal
both (a) and (b)
neither (a) nor (b)
✅ The correct answer is option C.
Petroleum Refinery Engineering MCQs
212. Petroleum
is optically active.
constitutes mainly of olefins.
does not contain asphalt.
does not contain aromatics.
✅ The correct answer is option A.
213. The coking process normally mostly used in Indian oil refineries is the __________ coking process.
delayed
flexi
fluid
contact
✅ The correct answer is option A.
214. The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.
3
300
3000
1000
✅ The correct answer is option A.
215. Catalyst used in the catalytic cracking is
silica-alumina
silica gel
vanadium pentoxide
nickel
✅ The correct answer is option A.
217. Feedstock for polymerisation is
naphtha.
cracked gases rich in C2 & C4 olefins.
low boiling aromatics.
none of these.
✅ The correct answer is option B.
218. Pyrolysis of kerosene or natural gasoline is done to produce mainly the
olefins and aromatics
lighter paraffins
stabilised gasoline
diesel
✅ The correct answer is option A.
219. Percentage of straight run gasoline in a typical crude oil may be around
6
18
38
52
✅ The correct answer is option D.
220. Cetane number of alpha methyl naphthalene is assumed to be
0
100
50
∞
✅ The correct answer is option A.