Petroleum Refinery Engineering MCQs

Question 1

Butadiene is a/an

Accepted Answer

Di-olefin

Answer

Naphthene

Answer

Aromatic

Answer

Olefin

Question 2

The yield of straight run LPG from crude oil is about __________ weight percent.

Accepted Answer

1-1.5

Answer

20-25

Answer

10-15

Answer

0.1-0.2

Question 3

Gum formation in stored gasoline is mainly due to the

Accepted Answer

Presence of sulphur

Answer

Alkylation of unsaturates

Answer

Oxidation & polymerisation of unsaturates

Answer

Higher aromatic content

Question 4

The first crude oil refinery of India is located at

Accepted Answer

Digboi

Answer

Naharkatiya

Answer

Kochin

Answer

Madras

Question 5

Feed for reforming is generally

Accepted Answer

Naphtha or straight run gasoline

Answer

Reduced crude

Answer

Vacuum gas oil

Answer

Atmospheric gas oil

Question 6

Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline.

Accepted Answer

Casing head

Answer

Polymer

Answer

Unleaded

Answer

Straight run

Question 7

Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.

Accepted Answer

Aromatics

Answer

N-paraffins

Answer

Olefins

Answer

None of these

Question 8

The main reaction in reforming is the

Accepted Answer

Dehydrogenation of naphthenes

Answer

Hydrogenation of naphthenes

Answer

Hydrocracking of paraffins

Answer

Saturation of olefins

Question 9

Pick out the correct statement about catalytic polymerisation.

Accepted Answer

In H 2 SO 4 polymerisation, H 3 PO 4 is always used with 2% steam to prevent meta & ortho H 3 PO 4 formation, which are inactive

Answer

H 2 SO 4 polymerisation process gives gasoline rich in unsaturates

Answer

Both A & B

Answer

Neither A nor B