Petroleum Refinery Engineering MCQs

Question 1

Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms.

Accepted Answer

1.5 to 4.5

Answer

0.1 to 0.5

Answer

7.5 to 12.5

Answer

15-20

Question 2

Flash point of an oil gives an idea of the

Accepted Answer

Nature of boiling point diagram of the system

Answer

Amount of low boiling fraction present

Answer

Explosion hazards

Answer

All of the above

Question 3

The octane number of aviation gasoline may be

Accepted Answer

>100

Answer

79

Answer

87

Answer

97

Question 4

Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to

Accepted Answer

Improve its oxidation stability

Answer

Increase its smoke point

Answer

Decrease the breathing loss

Answer

None of these

Question 5

Glycol added to petrol acts as a/an __________ agent.

Accepted Answer

Anti-icing

Answer

Anti-knocking

Answer

Anti-gum forming

Answer

Dewaxing

Question 6

Which of the following contains maximum sulphur?

Accepted Answer

Fuel oil

Answer

Diesel

Answer

Petrol

Answer

Kerosene

Question 7

Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of

Accepted Answer

Propane & butane

Answer

Butane & ethane

Answer

Methane & ethane

Answer

Methane & carbon monoxide

Question 8

Flash point of atmospheric distillation residue is determined by __________ apparates.

Accepted Answer

Cleveland (open cup type)

Answer

Pensky-Martens (closed cup type)

Answer

Abel

Answer

None of these

Question 9

With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products

Accepted Answer

Increases

Answer

Decreases

Answer

Remains same

Answer

Unpredictable from the data