A. H2, CmHn & CO2
B. CO, H2 & CH4
C. CO2, O2 & CO
D. N2, H2 & CO2
Related Mcqs:
- Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is _______________ percent?
A. 71%
C. In between 37 & 71%
D. None of these - A coal gasifier operating at 20 atm. (e.g. Lurgi gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having _____________________?
A. Higher methane content and thus higher calorific value
B. Higher carbon monoxide content
C. Lower carbon dioxide content
D. None of these - Lurgi coal gasifier is a pressurised ______________ bed reactor?
A. Moving
B. Fixed
C. Fluidised
D. Entrained - In Lurgi coal gasifier___________________?
A. Coking coals cannot be used
B. Low carbon conversion efficiency is achieved
C. Entrainment of solids is higher
D. Larger quantity of coal can be processed - Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces __________________?
A. Higher amount of methane
B. Lower amount of hydrogen
C. Both A. and B.
D. Higher amount of both methane and hydrogen - Main constituents of Benzol are ____________________?
A. Benzene, toluene & xylene
B. Tar & creosote
C. Ammonia & phenol
D. Anthracene & phenol - Main constituent of the gas produced from a gobar gas plant is___________________?
A. CO2
B. CH4
C. H2
D. CO - Which of the following petrographic constituents of coal is non-coking ?
A. Vitrain
B. Clarain
C. Durain
D. Fussain - Which of the following constituents of a fuel does not contribute to its calorific value on combustion ?
A. Hydrogen
B. Sulphur
C. Carbon
D. None of these - Which of the following constituents of coal is the most important in the production of coke ?
A. Moisture
B. Ash
C. Volatiles
D. Carbon
