PETROLEUM REFINERY ENGINEERING QUIZ

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.

100

500

20

1

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke?

Naphtha

Diesel

Vacuum residue

Light gas oil

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of liquid petrofuels, momentary combustion is observed at its

Preheating temperature corresponding to viscosity of 25 centistokes

Flame temperature

Fire point

Flash point

TRUE ANSWER : ?
YOUR ANSWER : ?

Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the

Higher nitration temperature

Lower solvent dilution ratio

Elimination of solvent drying facility

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Bomb calorimeter

Junkar's calorimeter

Duma

Kjeldah

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has the highest viscosity of all (at a given temperature)?

Light diesel oil

Naphtha

Fuel oil

Petrol

TRUE ANSWER : ?
YOUR ANSWER : ?

Most widely used solvent for dewaxing is

Methyl-ethyl-ketone (MEK)

Naphtha

Sodium plumbite

Petroleum ether

TRUE ANSWER : ?
YOUR ANSWER : ?

True boiling point apparatus is used for the

Determination of true vapour pressure

Evaluation of oil stocks

None of these

Determination of characterisation factor

TRUE ANSWER : ?
YOUR ANSWER : ?

Clay treatment is used to remove

Colour & dissolved gases from cracked gasoline

Wax from lube oil

Salt from the crude oil

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the most desirable component of a good quality kerosene?

Aromatics

I-paraffins

N-paraffins

Naphthenes

TRUE ANSWER : ?
YOUR ANSWER : ?

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