Petroleum Refinery Engineering MCQs

Question 1

Molecular weight of crude petroleum may be around

Accepted Answer

1500

Answer

50

Answer

250

Answer

5000

Question 2

Catalyst used in catalytic reforming is

Accepted Answer

Platinum on alumina

Answer

Nickel

Answer

Iron

Answer

Aluminium chloride

Question 3

Ethyl mercaptan is a/an __________ compound.

Accepted Answer

Sulphur

Answer

Nitrogen

Answer

Oxygen

Answer

None of these

Question 4

Pour point and freezing point is equal for

Accepted Answer

Water

Answer

Petrol

Answer

Diesel

Answer

Crude petroleum

Question 5

Octane number (unleaded) of reformed gasoline may be upto

Accepted Answer

90

Answer

60

Answer

70

Answer

80

Question 6

Deoiling of wax is done by its

Accepted Answer

Both B & C

Answer

Heating

Answer

Cooling

Answer

Solvent extraction

Question 7

Asphalts are

Accepted Answer

Readily oxidisable and form carbonaceous sludge

Answer

Low molecular weight & low boiling point compounds present in petroleum

Answer

Desirable in catalytic cracking feedstock, because they produce coke

Answer

All of the above

Question 8

In catalytic cracking, the

Accepted Answer

Gasoline obtained has very high aromatic content

Answer

Gasoline obtained has a very low octane number

Answer

Pressure & temperature is very high

Answer

Gasoline obtained has very high amount of gum forming compounds

Question 9

A petroleum well is called 'dry', if it contains

Accepted Answer

Only natural gas

Answer

Very little oil

Answer

No natural gas

Answer

All of the above