Chemical Engineering MCQs

Page No. 518

Alkylation_____________________?


aCauses olefins to combine with each other

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bCauses olefins to combine with iso-paraffins

✓


cConverts iso-paraffin into olefin

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dConverts olefin into paraffin

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Illuminating characteristics of kerosene is expressed by its_____________?


aSmoke point

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bAniline point

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cLuminosity number

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dAromatic content

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View Answer Luminosity number

Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about ______________ kg/cm2?


a1.5

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b3

✓


c6

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d12

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View Answer 3

Crude oil produced by Indian oil fields are predominantly _______________ in nature?


aParaffinic

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bNaphthenic

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cAsphaltic

✓


dMixed base

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View Answer Asphaltic

Complete removal of _____________ from gasoline is done by Unisol process using caustic soda and methyl alcohol?


aWaxes

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bMercaptans

✓


cAsphalt

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dDiolefins

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View Answer Mercaptans

Which of the following has the lowest flash point of all ?


aDiesel

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bKerosene

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cPetrol

✓


dFurnace oil

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View Answer Petrol

High aniline point of diesel indicates that, it _____________________?


aIs highly aromatic

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bHas a large ignition delay

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cIs highly paraffinic

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dHas a low diesel index

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View Answer Is highly paraffinic

Flash point of motor gasoline may be around ______________ °C?


a10

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b45

✓


c100

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d150

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View Answer 45

Which of the following has the highest viscosity of all (at a given temperature) ?


aNaphtha

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bFuel oil

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cLight diesel oil

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dPetrol

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View Answer Fuel oil

Viscosity index of a lubricating oil_________________?


aIs the measure of its flash point

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bIs the measure of variation of viscosity with temperature

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cShould be low

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dNone of these

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