H₂ & CO
H₂ & CH₄
CH₄ & CO
H₂ & CO₂
✅ The correct answer is option B.
Chemical Engineering MCQs
Out of the following fuels, the difference between gross and net calorific value will be minimum in case of
Coke oven gas
Water gas
Natural gas
Blast furnace gas
✅ The correct answer is option D.
Which of the following is a lean fuel gas?
Coke oven gas
LPG
Blast furnace gas
Natural gas
✅ The correct answer is option C.
Fuel combustion is never cent per cent efficient due to
Incomplete combustion
Dry gas/stack gas loss
Moisture loss
All of the above
✅ The correct answer is option D.
Orsat apparatus
Gives flue gas analysis on dry basis
Determines N₂ in flue gas indirectly
Can
All of the above
✅ The correct answer is option D.
Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent.
3 & 10
10 & 3
10 & 20
15 & 8
✅ The correct answer is option B.
Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ?
Multicyclones
Bag filter
Wet scrubber
Hydrocyclones
✅ The correct answer is option B.
Main constituents of benzol are
Benzene, toluene & xylene
Tar & creosote
Ammonia & phenol
Anthracene & phenol
✅ The correct answer is option A.
Main constituent of the gas produced from a gobar gas plant is
CO₂
CH₄
H₂
CO
✅ The correct answer is option B.
A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having
Higher methane content and thus higher calorific value
Higher carbon monoxide content
Lower carbon dioxide content
None of these
✅ The correct answer is option A.