A. CO & H2
B. CO & N2
C. CO2 & H2
D. CH4 & H2
Related Mcqs:
- Coke oven gas constitutes mainly of ____________________?
A. H2 & CO
B. H2 & CH4
C. CH4 & CO
D. H2 & CO2 - Blast furnace gas constitutes mainly of_________________?
A. N2 & CH4
B. N2 & H2
C. N2 & CO
D. CH4 & CO2 - Gobar gas constitutes mainly of___________________?
A. CH4 & CO2
B. CO & CO2
C. CH4 & N2
D. CO & N2 - 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 - 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 - The gas which contributes maximum to the heating value of natural gas is __________________?
A. CO
B. CO2
C. H2
D. CH4 - Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?
A. Vitrain
B. Clarain
C. Durain
D. Fussain - L.D. converter gas (produced in steel plant) comprises mainly of ___________________?
A. CO (upto 65%) & CO2
B. CO2 & H2
C. CO & O2
D. CO2 & O2 - Producer gas comprises mainly of _______________________?
A. CO & N2
B. CO & H2
C. CO2 & N2
D. CO2 & H2 - Coke oven gas burns with a yellowish flame, because of the presence of __________________?
A. CO2
B. CH4
C. H2
D. NH3
