5
15
25
35
✅ The correct answer is option B.
Chemical Engineering MCQs
A coal containing high amount of volatile matter will have
Low ignition temperature
Very little ash content
High fusion point of its ash
Low adiabatic flame temperature
✅ The correct answer is option A.
Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has
high pour point and low smoke point.
low viscosity index.
high self-ingnition temperature.
all (a), (b) and.(c).
✅ The correct answer is option B.
Which is the most effective catalyst used in catalytic cracking of petroleum products ?
Iron oxide
Nickel
Vanadium pentoxide
Zeolite
✅ The correct answer is option D.
The main use of heavy gas oil produced by the vacuum distillation unit is as a
blending component for kerosene.
blending component for petrol.
feedstock for fluid catalytic cracking unit.
none of these.
✅ The correct answer is option C.
A coal with high ash content
Has higher calorific value
Is harder and stronger
Is not subjected to washing
Has low quantity of mineral matter
✅ The correct answer is option B.
The yield of straight run LPG from crude oil is about __________ weight percent.
20-25
1-1.5
Oct-15
0.1-0.2
✅ The correct answer is option B.
Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C.
30
65
120
180
✅ The correct answer is option B.
Which of the following is not a sulphur compound present in petroleum ?
Thiophenes
Mercaptans
Sulphones
Pyroles
✅ The correct answer is option D.
Bunsen burner is an example of a/an __________ burner.
Inside mixing/premix type
Outside mixing/diffusion flame/nozzle mix type
Rotary cup
Submerged combustion
✅ The correct answer is option A.