Petroleum Refinery Engineering MCQs

Question 1

__________ converts n-paraffins to i-paraffins.

Accepted Answer

Isomerisation

Answer

Alkylation

Answer

Polymerisation

Answer

None of these

Question 2

Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency?

Accepted Answer

Paraffins

Answer

Naphthenes

Answer

Aromatics

Answer

Iso-paraffins

Question 3

Catalyst used in catalytic polymerisation which produces polymer gasoline is

Accepted Answer

Both A & B

Answer

H 2 SO 4

Answer

H 3 PO 4

Answer

AlCl 3

Question 4

Removal of light fractions from crude oil is called its

Accepted Answer

Stabilisation

Answer

Sweetening

Answer

Dehydration

Answer

Visbreaking

Question 5

Visbreaking process is used mainly for making

Accepted Answer

Fuel oil

Answer

High cetane diesel

Answer

High octane gasoline

Answer

Smoke free kerosene

Question 6

Quinoline is a/an __________ compound.

Accepted Answer

Nitrogen

Answer

Sulphur

Answer

Oxygen

Answer

None of these

Question 7

Waxy crudes are treated with chemical additives mainly to

Accepted Answer

Depress its pour point

Answer

Dissolve wax

Answer

Precipitate wax

Answer

Remove wax

Question 8

Pick out the wrong statement.

Accepted Answer

All the alkylation processes use very high temperature (> 1000°C)

Answer

Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin

Answer

Catalytic alkylation processes use HF, AlCl 3 & H 2 SO 4 as Catalysts

Answer

Gasoline having an octane number of 90 can be produced by alkylation process

Question 9

Which of the following petroleum products contain minimum sulphur?

Accepted Answer

Naphtha

Answer

Kerosene

Answer

LSHS

Answer

Furnace oil