Chemical Engineering MCQs

Page No. 523

Increase in the specific gravity of petroleum products indicates________________?


aDecrease in paraffin content

✓


bIncrease in thermal energy per unit weight

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cIncrease in aromatic content

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dHigher H/C ratio

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The average boiling point of aviation turbine fuel is closest to that of__________________?


aLubricating oils

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bLPG

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cDiesel

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dKerosene

✓


View Answer Kerosene

Aromatics are desired constituents of____________________?


aLubricating oil

✖


bDiesel

✖


cKerosene

✖


dPetrol

✓


View Answer Petrol

Testing of the knocking characteristics of petrofuels is done in a _________________ engine ?


aCarnot

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bCFR (Co-operative fuel research)

✓


cStirling

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dDiesel

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The solvent used in Barisol dewaxing process is_____________________?


aHexane

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bFurfural

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cBenzol and ethylene dichloride

✓


dMethyl ethyl ketone (MEK)

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Sour crude means the ________________ bearing crude?


aAsphalt

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bSulphur compounds

✓


cWax

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dNitrogen compounds

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View Answer Sulphur compounds

Quinoline is a/an ________________ compound ?


aSulphur

✖


bNitrogen

✓


cOxygen

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dNone of these

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View Answer Nitrogen

During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?


aDecreases

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bIncreases

✓


cRemains unchanged

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dDecreases linearly

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View Answer Increases

Tetra-ethyl lead is added in gasoline to ______________________?


aIncrease its smoke point

✓


bReduce gum formation

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cReduce the pour point

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dIncrease its octane number

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Which of the following categories of gasoline has the highest lead susceptibility ?


aStraight run gasoline

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bPlatinum reformed gasoline

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cCatalytical cracked gasoline

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dPolymer gasoline

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View Answer Straight run gasoline

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