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


cIncrease in aromatic content


dHigher H/C ratio



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


aLubricating oils


bLPG


cDiesel


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


bCFR (Co-operative fuel research)


cStirling


dDiesel



The solvent used in Barisol dewaxing process is_____________________?


aHexane


bFurfural


cBenzol and ethylene dichloride


dMethyl ethyl ketone (MEK)



Sour crude means the ________________ bearing crude?


aAsphalt


bSulphur compounds


cWax


dNitrogen compounds


View Answer Sulphur compounds

Quinoline is a/an ________________ compound ?


aSulphur


bNitrogen


cOxygen


dNone of these


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


bIncreases


cRemains unchanged


dDecreases linearly


View Answer Increases

Tetra-ethyl lead is added in gasoline to ______________________?


aIncrease its smoke point


bReduce gum formation


cReduce the pour point


dIncrease its octane number



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


aStraight run gasoline


bPlatinum reformed gasoline


cCatalytical cracked gasoline


dPolymer gasoline


View Answer Straight run gasoline

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