Chemical Engineering MCQs

Page No. 514

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


aBauxite

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bFuller’s earth

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cActivated clay

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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

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c(°API) × (100)/Aniline Point, °F

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d(°API) × (100)/Aniline Point, °C

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


aGasoline

✓


bKerosene

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cLight gas oil

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dHeavy fuel oil

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View Answer Gasoline

Stabilisation of gasoline (petrol) means ___________________?


aRemoval of dissolved gases from it

✓


bIncreasing its oxidation stability

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cImproving its lead susceptibility

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dIncreasing its vapour pressure

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Naphthenic acid is represented by ___________________?


aCnH2n+2O2

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bCnH2n-2O2

✓


cCnH2n+2O2 (n ≥ 6)

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dCnH2n+6O2 (n ≤ 6)

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View Answer CnH2n-2O2

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


aReduced crude

✓


bHeavy ends

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cAsphalt

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dResiduum

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View Answer Reduced crude

Smoke point of kerosene expresses its__________________?


aBurning characteristics

✓


bLuminosity characteristics

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cAromatic content directly

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dLamp wick wetting characteristics

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


aPropane & butane

✓


bButane & ethane

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cMethane & ethane

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dMethane & carbon monoxide

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View Answer Propane & butane

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


aSweetening

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bDehydration

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cStabilisation

✓


dVisbreaking

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View Answer Stabilisation

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


aFurfural

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bPropane

✓


cMethyl ethyl ketone

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dLiquid sulphur dioxide

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View Answer Propane

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