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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 5
36.
Main constituent of the gas produced from a gobar gas plant is
CO2
CH4
H2
CO
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Steam is intermittently admitted into the fuel bed during the production of producer gas to
convert CO to CO2.
increase the combustion rate.
increase the gas production rate.
minimise the chances of clinker formation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
In general, the limit of inflammability/explosion limit of fuel gases is widened by the
increase in gas pressure.
increase in temperature (i.e. preheating).
use of pure oxygen for combustion instead of air.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Caking coal is desirable for
burning on travelling grate.
coke making.
burning on firebars.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Blast furnace gas compared to coke oven gas has
lower ignition temperature.
narrower limit of inflammability.
higher calorific value.
lower theoretical flame temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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