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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 8
6.
Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?
Vitrain
Clarain
Durain
Fussain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which of the following is not a by-product fuel?
Sewage gas
Refinery gas
Producer gas
Bagasse
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is
tar
coke oven gas
pitch
pulverised coke
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Too much of excess air in combustion results in high
fuel consumption for the same heat load.
stack gas temperature.
percentage of oxygen in flue gases.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A fuel with high heat release rate will
require smaller combustion chamber.
have high calorific value.
have high adiabatic flame temperature.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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