Petroleum Refinery Engineering MCQs

Question 1

Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).

Accepted Answer

Half

Answer

One fourth

Answer

One third

Answer

One eighth

Question 2

Research octane number refers to the

Accepted Answer

High octane number motor fuels

Answer

Low octane number motor fuels

Answer

High octane number aviation fuels

Answer

Unleaded motor fuels

Question 3

Pour point of a petrofuel is

Accepted Answer

5°C below the temperature at which oil ceases to flow

Answer

Multiple of 3°F

Answer

Multiple of 5°F

Answer

None of these

Question 4

Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.

Accepted Answer

White

Answer

Black

Answer

Red

Answer

Yellow

Question 5

Which of the following categories of gasoline has the highest lead susceptibility?

Accepted Answer

Straight run gasoline

Answer

Platinum reformed gasoline

Answer

Catalytical cracked gasoline

Answer

Polymer gasoline

Question 6

Petroleum coke is commercially produced by the __________ process.

Accepted Answer

Delayed coking

Answer

Hydrocracking

Answer

Visbreaking

Answer

Fluid catalytic cracking

Question 7

LSHS is a type of furnace oil, which

Accepted Answer

All of the above

Answer

Is more viscous than high viscosity furnace oil (HVFO)

Answer

Stands for low sulphur heavy stock

Answer

Is an ideal fuel for metallurgical furnaces due to its lower sulphur content (< 1%)

Question 8

Flash point of an oil is determined by the

Accepted Answer

Pensky Martens apparatus

Answer

Ramsbottom apparatus

Answer

Saybolt viscometer

Answer

Conradson apparatus

Question 9

Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?

Accepted Answer

Light diesel oil

Answer

PCM

Answer

Tar

Answer

Low viscosity furnace oil