Chemical Engineering MCQs

Page No. 520

Which of the following processes consumes hydrogen ?


aFluid catalytic cracking

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bVisbreaking

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cPropane deasphalting

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dNone of these

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Catalyst used in catalytic reforming is__________________?


aPlatinum on alumina

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bNickel

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cIron

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dAluminium chloride

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View Answer Platinum on alumina

Penetration test determines the _____________ of the grease?


aStiffness

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bLubricating properties (e.g. oilness)

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cService temperature

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dVariation in viscosity with temperature

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View Answer Stiffness

In case of liquid petrofuels, momentary combustion is observed at its ________________________?


aFlash point

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bPreheating temperature corresponding to viscosity of 25 centistokes

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cFlame temperature

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dFire point

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View Answer Flash point

____________ is not an important refinery process for upgrading the quality of lubricating oil ?


aDeoiling

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bSolvent refining

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cClay treatment

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dHydro-treatment

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View Answer Deoiling

Petroleum ________________ ?


aIs optically active

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bConstitutes mainly of olefins

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cDoes not contain asphalt

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dDoes not contain aromatics

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View Answer Is optically active

Which of the following contains maximum sulphur ?


aDiesel

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bPetrol

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cKerosene

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dFuel oil

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View Answer Fuel oil

The colour of gasoline is an indication of its _________________?


aOctane number

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bLead susceptibility

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cGum forming tendency & thoroughness of refining

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dNone of these

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In petroleum refining, the process used for conversion of hydrocarbons to aromatics is________________?


aCatalytic cracking

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bCatalytic reforming

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cHydrotreating

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dAlkylation

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View Answer Catalytic reforming

Isomerisation converts the ___________________ tot-paraffins?


aParaffins

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bOlefins

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cNaphthenes

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dNone of these

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View Answer Paraffins

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