Chemical Engineering MCQs

Page No. 514

Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses _______________ as catalyst?


aBauxite


bFuller’s earth


cActivated clay


dAll A., B. & C.


View Answer All A., B. & C.

Diesel index is defined as_________________?


a(°API) × (Aniline Point, °F)/100


b(°API) × (Aniline Point, °C)/100


c(°API) × (100)/Aniline Point, °F


d(°API) × (100)/Aniline Point, °C



Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?


aGasoline


bKerosene


cLight gas oil


dHeavy fuel oil


View Answer Gasoline

Stabilisation of gasoline (petrol) means ___________________?


aRemoval of dissolved gases from it


bIncreasing its oxidation stability


cImproving its lead susceptibility


dIncreasing its vapour pressure



Naphthenic acid is represented by ___________________?


aCnH2n+2O2


bCnH2n-2O2


cCnH2n+2O2 (n ≥ 6)


dCnH2n+6O2 (n ≤ 6)


View Answer CnH2n-2O2

Bottom product of atmospheric pressure crude oil distillation column is termed as________________?


aReduced crude


bHeavy ends


cAsphalt


dResiduum


View Answer Reduced crude

Smoke point of kerosene expresses its__________________?


aBurning characteristics


bLuminosity characteristics


cAromatic content directly


dLamp wick wetting characteristics



Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of _______________?


aPropane & butane


bButane & ethane


cMethane & ethane


dMethane & carbon monoxide


View Answer Propane & butane

Removal of light fractions from crude oil is called its _____________________?


aSweetening


bDehydration


cStabilisation


dVisbreaking


View Answer Stabilisation

Which of the following is used as a solvent in deasphalting of petroleum products ?


aFurfural


bPropane


cMethyl ethyl ketone


dLiquid sulphur dioxide


View Answer Propane

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