PETROLEUM REFINERY ENGINEERING QUIZ

Sulphur increases

Nitrogen decreases

None of these

Sulphur decreases

Dehydrogenation of naphthenes

Hydrogenation of naphthenes

Saturation of olefins

Hydrocracking of paraffins

Catalytic polymerisation

Catalytic cracking

Hydrocracking

Dehydrogeneration of naphthene to produce aromatic

Alkylation

None of these

Isomerisation

Polymerisation

All of these

Determined by using a test engine

Equal to cetane number plus 3

Not related to aniline point

Low paraffins content

High aromatics content

Low smoke point

High smoke point

None of these

High viscosity index lube oil

Low viscosity index lube oil

High freezing point aviation fuel

Reduce its cost

Narrow down its explosion limit

Assist in checking its leakage from cylinder

Increase its calorific value

Both A & B

Vegetable

Animal

Neither A nor B

All of these

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

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

Percentage conversion increases with increase in the catalyst to oil ratio