Petroleum Refinery Engineering MCQs

ignition delay

smoke point

viscosity

oxidation stability

asphalt

sulphur compounds

wax

nitrogen compounds

45

55

70

90

decolorises & stabilises cracked gasoline.

desulphurise straight run gasoline & kerosene.

adsorb arsenic from feedstock to catalytic reforming.

all (a), (b) & (c).

uses naphtha as feedstock.

does not much affect the molecular weight of the feed.

improves the quality & yield of gasoline.

all (a), (b) and (c).

determination of characterisation factor.

evaluation of oil stocks.

determination of true vapour pressure.

none of these.

R-COOH

R-S-H

R-S-R

R-S-R’

Tetraethyl lead

Tetramethyllead

Ethyl nitrate or acetone

None of these

paraffinic

naphthenic

intermediate

none of these

causes olefins to combine with each other.

causes olefins to combine with iso-paraffins.

converts iso-paraffin into olefin.

converts olefin into paraffin.