polymer
unleaded
casing head
straight run
✅ The correct answer is option B.
Chemical Engineering MCQs
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
unsaturated hydrocarbon content
calorific value
quantity of propane
quantity of butane
✅ The correct answer is option B.
Pour point of a petrofuel is
multiple of 3°F.
multiple of 5°F.
5°C below the temperature at which oil ceases to flow.
none of these.
✅ The correct answer is option C.
Which is not a high alumina refractory ?
Mullite
Corrundum
Bauxite
Dolomite
✅ The correct answer is option D.
Good quality kerosene should have
low smoke point.
high smoke point.
high aromatics content.
low paraffins content.
✅ The correct answer is option B.
Catalyst used in isomerisation process is
H2SO4
H3PO4
HF
AlCl3
✅ The correct answer is option D.
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the
elimination of solvent drying facility.
higher nitration temperature.
lower solvent dilution ratio.
all (a), (b) & (c).
✅ The correct answer is option D.
95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
2
-40
30
55
✅ The correct answer is option A.
Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks.
bakelite impregnated or fused periclase
silica
semi-silica
fireclay
✅ The correct answer is option A.
Waxy crudes are treated with chemical additives mainly to
depress its pour point
dissolve wax
precipitate wax
remove wax
✅ The correct answer is option A.