Petroleum Refinery Engineering MCQs

Question 1

Cetane number of diesel used in trucks may be about

Accepted Answer

50

Answer

14

Answer

35

Answer

85

Question 2

Aniline point of the diesel is a measure of its __________ content.

Accepted Answer

Aromatic

Answer

Paraffin

Answer

Olefin

Answer

Naphthene

Question 3

Which of the following is a non-regenerative fixed bed catalytic reforming process?

Accepted Answer

Platforming

Answer

Hydroforming

Answer

Thermofer catalytic reforming

Answer

Hyperforming

Question 4

Flash point of a liquid petroleum fuel gives an idea about its

Accepted Answer

All of the above

Answer

Volatility

Answer

Explosion hazards characteristics

Answer

Nature of boiling point diagram

Question 5

Operating condition in the electrical dehydrators for crude oil is about

Accepted Answer

6.5 kgf/cm 2 & 95°C

Answer

1 atm & 110°C

Answer

20 kgf/cm 2 & 110°C

Answer

50 atm and 150°C

Question 6

Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is

Accepted Answer

More than 100

Answer

Round about 100

Answer

Between 50 and 100

Answer

Less than 25

Question 7

Solvent used in Edeleanu process is

Accepted Answer

Liquid SO 2

Answer

Furfural

Answer

Propane

Answer

Phenol

Question 8

Pick out the wrong statement.

Accepted Answer

Aromatics have lower specific gravity than corresponding paraffins

Answer

Higher specific gravity of petroleum products means higher C/H ratio

Answer

Hydrocarbons of low specific gravity (e.g, paraffins) possess the maximum thermal energy per unit volume

Answer

Hydrocarbons of high specific gravity (eg, aromatics) possess the maximum thermal energy per unit weight

Question 9

Naphthenic acid is represented by

Accepted Answer

C n H 2n-2 O 2

Answer

C n H 2n+2 O 2

Answer

C n H 2n+2 O 2 (n ≥ 6)

Answer

C n H 2n+6 O 2 (n ≤ 6)