PETROLEUM REFINERY ENGINEERING QUIZ

The best method of determining sulphur in crude oil is by the __________ method.

Junkar's calorimeter

Bomb calorimeter

Duma

Kjeldah

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is desirable in petrol (gasoline) but undesirable in kerosene?

Aromatics

Mercaptans

Paraffins

Naphthenic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Mercaptans is represented as (where R and R' are alkyl groups)

R-S-H

R-COOH

R-S-R'

R-S-R

TRUE ANSWER : ?
YOUR ANSWER : ?

Road grade bitumen is produced from vacuum residue by its

Hydrogenation

Pyrolysis

Aeration

Steam reforming

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the additive property of a lube oil out of following.

Specific gravity

Flashpoint

°API gravity

Viscosity

TRUE ANSWER : ?
YOUR ANSWER : ?

Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.

500

100

1

20

TRUE ANSWER : ?
YOUR ANSWER : ?

Presence of aromatics in

Petrol increases its octane number

All of these

Diesel increases its cetane number

Kerosene increases its smoke point

TRUE ANSWER : ?
YOUR ANSWER : ?

Diesel used in naval applications has a minimum cetane number of

25

65

45

35

TRUE ANSWER : ?
YOUR ANSWER : ?

Feed for reforming is generally

Reduced crude

Naphtha or straight run gasoline

Vacuum gas oil

Atmospheric gas oil

TRUE ANSWER : ?
YOUR ANSWER : ?

Pour point of a petrofuel is

None of these

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

Multiple of 3°F

Multiple of 5°F

TRUE ANSWER : ?
YOUR ANSWER : ?

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