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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 9
1.
The reaction, C + CO2 2CO, taking place during coal gasification is called the __________ reaction.
Neumann reversal
shift conversion
Boudouard
reduction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The maximum percentage of CO2 in a flue gas (from a carbonaceous fuel) can be
21
77
79
29
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A good quality coal should have
low fusion point of ash
high ash content
high sulphur
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
High amount of sulphur and phosphorous in coke causes
decrease in its calorific value.
increase in its strength.
brittleness of steel made by using it.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The difference between total carbon and fixed carbon of coal will be minimum in case of
lignite
bituminous coal
anthracite
high temperature coke (V.M < 0.5%)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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