H2SO4
H3PO4
both (a) and (b)
AlCl3
✅ The correct answer is option C.
Chemical Engineering MCQs
Which of the following is the most widely used cracking process in oil refineries ?
Dubbs process.
T.C.C. moving bed process.
Fluidised bed catalytic cracking process.
Houdry’s fixed bed process.
✅ The correct answer is option C.
Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
waxes
mercaptans
asphalt
diolefins
✅ The correct answer is option B.
Illuminating characteristics of kerosene is expressed by its
smoke point
aniline point
luminosity number
aromatic content
✅ The correct answer is option C.
__________ converts n-paraffins to i-paraffins.
Alkylation
Polymerisation
Isomerisation
none of these
✅ The correct answer is option C.
Petroleum coke is commercially produced by the __________ process.
hydrocracking
visbreaking
fluid catalytic cracking
delayed coking
✅ The correct answer is option D.
Clay treatment is used to remove
salt from the crude oil.
colour & dissolved gases from cracked gasoline.
wax from lube oil.
none of these.
✅ The correct answer is option B.
Mercapsol and Unisol processes are meant for the
dearomatisation of kerosene
removal of mercaptans
dewaxing
decoloration
✅ The correct answer is option B.
Pick out the additive property of a lube oil out of following.
°API gravity
Specific gravity
Viscosity
Flashpoint
✅ The correct answer is option A.
Which of the following has maximum hydrogen/carbon ratio (by weight) ?
Naphtha
Gasoline
Diesel
Fuel oil
✅ The correct answer is option B.