Petroleum Refinery Engineering

211. Specific gravity of a petroleum product gives an indication of its

1. Degree of refinement
2. Hydrocarbon content type (aromatic or paraffinic)
3. Ease of atomisation
4. Sulphur content

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212. Stabilisation of gasoline (petrol) means

1. Removal of dissolved gases from it
2. Increasing its oxidation stability
3. Improving its lead susceptibility
4. Increasing its vapour pressure

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213. Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic

1. Cracking
2. Polymerisation
3. Reforming
4. Isomerisation

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214. Straight run petrol as compared to methyl/ethyl alcohol has

1. Lower calorific value
2. Lower octane number
3. Higher specific gravity
4. Higher ignition temperature

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215. Sulphur content in lighter and heavier petroleum products is generally determined respectively by

1. Lamp method and bomb method
2. Bomb method and lamp method
3. Bomb method and quartz tube method
4. Quartz tube method and lamp method

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216. Sweetening of petroleum product means the removal of

1. Sulphur & its compounds
2. Water
3. Organic impurities
4. Wax

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217. Tanks used for the storage of petroleum products (which are inflammable) should be painted with a _________ paint.

1. Black
2. White
3. Red
4. Yellow

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218. Testing of the knocking characteristics of petrofuels is done in a _________ engine.

1. Carnot
2. CFR (Co-operative fuel research)
3. Stirling
4. Diesel

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219. Tetra-ethyl lead is added in gasoline to

1. Increase its smoke point
2. Reduce gum formation
3. Reduce the pour point
4. Increase its octane number

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220. Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is

1. More than 100
2. Round about 100
3. Between 50 and 100
4. Less than 25

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