A. H2
B. CH4
C. CO2
D. N2
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 - Main constituent of the gas produced from a gobar gas plant is___________________?
A. CO2
B. CH4
C. H2
D. CO - 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 gas which contributes maximum to the heating value of natural gas is __________________?
A. CO
B. CO2
C. H2
D. CH4 - Main use of hard coke produced by high temperature carbonisation is in the ____________________ ?
A. Iron blast furnace
B. Cupola in foundries
C. Sinter making
D. Domestic ovens - Coal tar (produced by high temperature carbonisation) is the main source of_________________?
A. Aromatic compounds
B. Aliphatic compounds
C. Paraffins
D. Olefins - Coal tar (produced by high temperature carbonization) is the main source of_________?
A. Aromatic compounds
B. Aliphatic compounds
C. Paraffins
D. OlefinsSubmitted by: Muhammad Mutsadiq Umer
- Calorific value of coke even gas produced by low temperature carbonisation of coal is about ____________ Kcal/Nm3?
A. 4000
B. 2500
C. 6500
D. 10000 - Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around ______________ Nm3?
A. 30
B. 300
C. 3,000
D. 30,000 - Gobar gas is produced by the ______________ of cow dung?
A. Fermentation
B. Oxidation
C. Hydrogenation
D. None of these