A. CO (upto 65%) & CO2
B. CO2 & H2
C. CO & O2
D. CO2 & O2
Related Mcqs:
- Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant ?
A. Ammonium sulphate
B. Ammonium nitrate
C. Ammonium phosphate
D. None of these - 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 - Producer gas comprises mainly of _______________________?
A. CO & N2
B. CO & H2
C. CO2 & N2
D. CO2 & H2 - Main constituent of the gas produced from a gobar gas plant is___________________?
A. CO2
B. CH4
C. H2
D. CO - Coke ovens in steel plant are heated by ___________________?
A. Electricity
B. Coke oven gas
C. Mixed gas
D. Both B. & C. - The calorific value of L.D. converter gas is about ____________ Kcal/Nm3?
A. 1800
B. 800
C. 4500
D. 10000 - Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has_________________?
A. Higher calorific value
B. Lower hydrogen content
C. Both A. and B.
D. Neither A. nor B. - The catalyst used in shift converter is _____________________?
A. Nickel
B. Vanadium
C. Silica gel
D. Alumina - Gobar gas constitutes mainly of___________________?
A. CH4 & CO2
B. CO & CO2
C. CH4 & N2
D. CO & N2 - Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because __________________?
A. The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot
B. It reduces its calorific value tremendously
C. It reduces its flame temperature tremendously
D. There are chances of explosion during preheating
