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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Molecular weight of crude oil is in the range of

230-250
450-550
600-850
100-120

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

Paraffins
Naphthenes
Aromatics
Smoke point

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Petroleum Refinery Engineering
The yield of straight run LPG from crude oil is about __________ weight percent.

44119
20-25
0.1-0.2
1-1.5

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Petroleum Refinery Engineering
Which of the following gasolines (unleaded) has the least octane number?

Catalytically cracked gasoline
Straight run gasoline
Catalytically reformed gasoline
Polymer gasoline

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Petroleum Refinery Engineering
Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C.

70
140
90
50

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Petroleum Refinery Engineering
Which of the following processes consumes hydrogen?

None of these
Visbreaking
Fluid catalytic cracking
Propane deasphalting

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