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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Molecular weight of crude petroleum may be around

50
1500
250
5000

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Petroleum Refinery Engineering
Which of the following processes is used for the production of petroleum coke?

Stabilisation
Reforming
Visbreaking
Cracking

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Petroleum Refinery Engineering
The proper arrangement of the petroleum fractions in order of their boiling points is

Petrol > diesel > LPG > lubricating oil
Petrol > lubricating oil > diesel > LPG
Lubricating oil > petrol > diesel > LPG
Lubricating oil > diesel > petrol > LPG

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Petroleum Refinery Engineering
Which of the following has the highest flash point of all?

Kerosene
Petrol
Furnace oil
Diesel

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Petroleum Refinery Engineering
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.

5000
10000
50
1

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Petroleum Refinery Engineering
The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively

10 and 300
10 and 120
50 and 250
1 and 200

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