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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 10
26.
Orsat apparatus
gives flue gas analysis on dry basis.
determines N2 in flue gas indirectly.
can't determine CO in flue gas, if it is < 0.2%.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by
potassium hydroxide.
dilute potassium carbonate.
cuporus chloride.
alkaline pyragllol solution.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Caking index of the coal blend used for the manufacture of metallurgical coke should be around
5
21
40
48
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
With increase in moisture content of coal, its
calorific value increases sometimes.
bulk density always decreases.
clinkering tendency during combustion increases.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Proximate analysis of coal determines its __________ content.
moisture, ash, sulphur & volatile matter.
moisture, volatile matter, ash & fixed carbon.
moisture, sulphur, nitrogen & fixed carbon.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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