Chemical Engineering MCQs

Page No. 527

Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?


apH of the soil

✓


bBacterial action

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cHeat

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dPressure

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View Answer pH of the soil

Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?


a5

✖


b25

✓


c50

✖


d100

✖


View Answer 25

Aromatics have the highest ________________ of all the hydrocarbons of same carbon atoms?


aSmoke point

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bOctane number

✓


cCetane number

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dViscosity

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View Answer Octane number

Lane and Garton classification of petroleum is based on its ____________________?


aComposition

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bSpecific gravity

✓


cOptical properties

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dViscosity

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View Answer Specific gravity

Road grade bitumen is produced from vacuum residue by its ____________________?


aAeration

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bPyrolysis

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cHydrogenation

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dSteam reforming

✓


View Answer Steam reforming

Products drawn from the top to bottom of the crude oil distillation column has progressively increasing ___________________?


aBoiling points

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bMolecular weight

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cC/H ratio

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dAll A., B. and C.

✓


View Answer All A., B. and C.

Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octane is chemically known as ___________________?


aα-methyl naphthalene

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b2-2-4 tri methyl pentane

✓


c1, 3 butadiene

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dTetra methyl ethylene

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Cetane number of a diesel fuel is the measure of its____________________?


aIgnition delay

✓


bSmoke point

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cViscosity

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dOxidation stability

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View Answer Ignition delay

Water content in the crude oil as it comes out of oil well may be upto ______________ percent?


a2

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b5

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c10

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d25

✓


View Answer 25

Aniline point is the temperature at which___________________?


aEqual weight of diesel & the aniline are completely miscible

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bEqual weight of aniline & the test sample are completely miscible

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cEqual volume of aniline & the test sample are completely miscible

✓


dAniline vaporises

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