A. CO & N2
B. CO & H2
C. CO2 & N2
D. CO2 & H2
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 - 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 - Which of the following is unsuitable fuel for producer gas manufacture ?
A. Coke
B. Anthracite
C. Coal having low fusion point of its ash
D. Coal having high fusion point of its ash - Coals used for the generation of producer gas should have ____________________?
A. High caking index
B. Low fusion point of ash
C. High volatile matter content
D. Very low ash content (8-10%) - The calorific value of producer gas is around _____________ kcal/Nm3?
A. 1300
B. 500
C. 4500
D. 9000 - Steam is intermittently admitted into the fuel bed during the production of producer gas to__________________?
A. Convert CO to CO2
B. Increase the combustion rate
C. Increase the gas production rate
D. Minimise the chances of clinker formation - Producer gas containing least amount of tar is produced by the_________________?
A. Partial combustion of coal
B. Partial combustion of large size (< 50 mm) coke
C. High pressure gasification of coal (e.g. in Lurgi gasifier)
D. Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) - 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 - Water gas constitutes mainly of __________________?
A. CO & H2
B. CO & N2
C. CO2 & H2
D. CH4 & H2
