aromatic
paraffin
olefin
naphthene
✅ The correct answer is option A.
Petroleum Refinery Engineering MCQs
222. Crude topping column operates at __________ pressure.
atmospheric
10 atm
vacuum
3 atm.
✅ The correct answer is option A.
223. Which of the following categories of gasoline has the highest lead susceptibility ?
Straight run gasoline
Platinum reformed gasoline
Catalytical cracked gasoline
Polymer gasoline
✅ The correct answer is option A.
224. Which of the following is the most important property for a jet fuel ?
Cloud point
Pour point
Colour
Freezing point
✅ The correct answer is option D.
225. The reservoir rock containing petroleum has
low porosity
high permeability
high porosity
both (b) and (c)
✅ The correct answer is option D.
226. Liquefied Petroleum Gas (LPG) is mainly a mixture of
propane & butane
methane & ethane
high boiling olefins
high boiling naphthenes
✅ The correct answer is option A.
227. The terminology used for the bottom most product from the vacuum crude distillation unit is
residual crude
residuum
reduced crude
petrolatum
✅ The correct answer is option B.
228. Which of the following is desirable in diesel and kerosene but is undersirable in gasoline ?
Aromatics
Mercaptans
Paraffins
Naphthenic acid
✅ The correct answer is option C.
230. Pressure & temperature maintained in catalytic cracking is about
2atm & 500°C
10atm & 500°C
30atm & 200°C
50atm. & 750°C
✅ The correct answer is option A.