PETROLEUM REFINERY ENGINEERING QUIZ

The order of preference for feedstock to a catalytic reformer is

Virgin naphtha - coking naphtha - catalytic naphtha

Catalytic naphtha - coking naphtha - virgin naphtha

Coking naphtha - virgin naphtha - catalytic naphtha

Virgin naphtha - catalytic naphtha - coking naphtha

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Diesel

Kerosene

Petrol

Furnace oil

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the correct statement pertaining to catalytic cracking.

All of these

Percentage conversion increases with increase in the catalyst to oil ratio

With increase in the reactor pressure, octane number of gasoline decreases

With increase in the reactor temperature, gasoline yield decreases for a given conversion

TRUE ANSWER : ?
YOUR ANSWER : ?

For gasoline, the flash point (

Pensky-Marten's apparatus

Saybolt chromometer

None of these

Abel apparatus

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the easiest to crack?

Naphthenes

Paraffins

Aromatics

Olefins

TRUE ANSWER : ?
YOUR ANSWER : ?

Octane number (unleaded) of gasoline produced by isomerisation of butane may be about

55

70

90

45

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Platinum reformed gasoline

Catalytical cracked gasoline

Straight run gasoline

Polymer gasoline

TRUE ANSWER : ?
YOUR ANSWER : ?

Diesel used in naval applications has a minimum cetane number of

65

25

45

35

TRUE ANSWER : ?
YOUR ANSWER : ?

The proper arrangement of the petroleum fractions in order of their boiling points is

Petrol > diesel > LPG > lubricating oil

Petrol > lubricating oil > diesel > LPG

Lubricating oil > diesel > petrol > LPG

Lubricating oil > petrol > diesel > LPG

TRUE ANSWER : ?
YOUR ANSWER : ?

Aniline point of high speed diesel may be about __________ °C.

35

150

70

105

TRUE ANSWER : ?
YOUR ANSWER : ?

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