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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 5
1.
Calorific value of coke oven gas is around __________ Kcal/Nm3.
900
4200
7500
2000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Highly caking coals
produce weak coke.
produce strong coke.
may damage the coke oven walls during carbonisation.
both (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Main use of hard coke produced by high temperature carbonisation is in the
iron blast furnace
cupola in foundaries
sinter making
domestic ovens
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Hard pitch is used for making
pulverised fuel
perfumes
insecticides
plastics
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Supply of excess air for complete combustion of fuel is necessitated to facilitate
its thorough mixing with air.
attainment of chemical equilibrium.
attainment of high temperature.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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