3Al2O3.2SiO2
Al2O3
ZrSO4
ThO2
✅ The correct answer is option A.
Chemical Engineering MCQs
Producer gas comprises mainly of
CO & N₂
CO & H₂
CO₂ & N₂
CO₂ & H₂
✅ The correct answer is option A.
Ionisation potential applied across the electrodes of electrostatic tar precipitator is around
230 V AC
60 KV AC
230 V DC
60 KV DC
✅ The correct answer is option D.
Highly caking coals
Produce weak coke
Produce strong coke
May damage the coke oven walls during carbonisation
Both B and C
✅ The correct answer is option D.
Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in
KOH
Ammoniacal cuprous chloride
Pyrogallol solution
None of these
✅ The correct answer is option D.
Gross heating value of coal is __________ the net heating value.
Higher than
Lower than
Same as
None of these
✅ The correct answer is option A.
High excess air in combustion of fuels results in
Increased fuel consumption
Incomplete combustion
Smoky flame
None of these
✅ The correct answer is option A.
In Orsat’s apparatus, ammoniacal cuprous chloride is used for selectivity absorbing
CO
CO₂
O₂
H₂O
✅ The correct answer is option A.
Largest constituent of coke oven gas is
N₂
H₂
CH₄
CO₂
✅ The correct answer is option B.