smoke point
octane number
cetane number
viscosity
✅ The correct answer is option B.
Chemical Engineering MCQs
Viscosity index of a lubricating oil
is the measure of its flash point.
is the measure of variation of viscosity with temperature.
should be low.
none of these.
✅ The correct answer is option B.
Lignite is
A high rank coal
A coking coal
Can be used for gasification and steam generation
A black banded coal which burns with a non-smoky yellowish flame
✅ The correct answer is option C.
Paraffin base crude oil as compared to asphalt base crude gives
higher yield of straight run gasoline.
higher octane number gasoline.
lower viscosity index lube oil.
poorer yield of lube oil.
✅ The correct answer is option A.
The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n.
Neumann reversal
Shift conversion
Boudouard
Reduction
✅ The correct answer is option C.
Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³.
2
4
6
1
✅ The correct answer is option A.
LPG stands for
liquid petroleum gas
liquified petrol gas
liquid petrol gas
liquefied petroleum gas
✅ The correct answer is option D.
In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of
Transportation of coal
Drying of coal
Combustion of coal by supplying it around the burner
Preheating the primary air
✅ The correct answer is option C.
Aniline point is a property of the
diesel
LPG
naphtha
gasoline
✅ The correct answer is option C.
Height of coke oven is limited (say maximum upto 7 metres) mainly by the
Problem of uniform heating along its height
Structural strength of silica bricks
Problem in door cleaning
Buckling of ram of pusher car at the time of coke pushing
✅ The correct answer is option A.