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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 2
6.
When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the __________ of coal.
carbonisation
oxidation
coalification
gasification
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Dry air requirement for burning 1 Nm3 of CO to CO2 may be around __________ Nm3.
2.4
1.75
0.87
11.4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced.
colour
moisture content
ash content
volatile matter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Ammonia content in raw coke oven gas is about __________ gm/Nm3.
1
15
50
100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis.
550
750
950
1150
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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