PETROLEUM REFINERY ENGINEERING QUIZ

__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.

Calcium

Magnesium

Potassium

Sodium

TRUE ANSWER : ?
YOUR ANSWER : ?

The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively

10 and 120

50 and 250

10 and 300

1 and 200

TRUE ANSWER : ?
YOUR ANSWER : ?

The doctor's solution comprises of sodium plumbite in

Water

Soda ash

Alcohal

Aqueous caustic soda

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Bomb calorimeter

Kjeldah

Duma

Junkar's calorimeter

TRUE ANSWER : ?
YOUR ANSWER : ?

Higher viscosity of lubricating oil usually signifies

Lower flash point and fire point

Higher flash point and fire point

Lower Reid vapour pressure

Higher acid number

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has the lowest flash point of all?

Petrol

Kerosene

Furnace oil

Diesel

TRUE ANSWER : ?
YOUR ANSWER : ?

Waxy crudes are treated with chemical additives mainly to

Remove wax

Depress its pour point

Precipitate wax

Dissolve wax

TRUE ANSWER : ?
YOUR ANSWER : ?

The most commonly used feed stock for the reforming reactor is

Heavy fuel oil

Residuum

Casing head gasoline

Straight run gasdine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?

Reforming

Hydrocracking

Alkylation

Pyrolysis

TRUE ANSWER : ?
YOUR ANSWER : ?

Polymerisation

Causes aromatics to combine with each other

Produces i-octane from cracked gases containing i-butane and butene

Is aimed at producing lubricating oil

Causes olefins to combine with each other

TRUE ANSWER : ?
YOUR ANSWER : ?

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