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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Smoke volatility index is equal to smoke point plus

5 mm
10 mm. approximately
0.84 x (% distilled at 204°C)
0.42 x(% distilled at 204°C)

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Petroleum Refinery Engineering
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

3.5
1
0.1
2.5

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Petroleum Refinery Engineering
In catalytic alkylation, higher iso-butane to olefin ratio gives

Both A & B
Low final boiling point product
Higher yield
Neither A nor B

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Petroleum Refinery Engineering
Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene.

Naphthenes
Smoke point
Aromatics
Paraffins

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Petroleum Refinery Engineering
Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.

N-paraffins
Aromatics
None of these
Olefins

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Petroleum Refinery Engineering
Which of the following has the maximum °API gravity of all?

Kerosene
Furnace oil
Petrol
Diesel

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