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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Which of the following has the highest viscosity of all (at a given temperature)?

Fuel oil
Naphtha
Petrol
Light diesel oil

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Petroleum Refinery Engineering
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen

Neither A nor B
Minimises coke formation
Enhances the desulphurisation process
Both A & B

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Petroleum Refinery Engineering
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of

Phenol & furfural
Methyl ethyl ketone & glycol
Propane & phenol-cresol mixture
Propane & liquid sulphur dioxide

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Petroleum Refinery Engineering
Ethyl mercaptan is a/an __________ compound.

Oxygen
None of these
Nitrogen
Sulphur

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

70
50
140
90

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Petroleum Refinery Engineering
Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is

4
3
2
1

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