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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Reforming converts

Olefins into paraffins
Naphthenes into paraffin
Naphthenes into olefins
Naphthenes into aromatics

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Petroleum Refinery Engineering
Which of the following has the lowest cetane number?

Olefins
Aromatics
Naphthene
I-paraffins

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Petroleum Refinery Engineering
Octane numbers of motor gasoline used in India and America are respectively

94 & 87
87 & 94
94 & 100
83 & 100

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Petroleum Refinery Engineering
The average boiling point of aviation turbine fuel is closest to that of

LPG
Lubricating oils
Diesel
Kerosene

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Petroleum Refinery Engineering
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm.

100
5
25
10

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Petroleum Refinery Engineering
The main aim of cracking is to produce

Coke
Lube oil
Gasoline
Petrolatum

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