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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 1
46.
When incomplete combustion loss is high, the flue gas analysis shows large amount of
CO2
CO
O2
C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The gas which contributes maximum to the heating value of natural gas is
CO
CO2
H2
CH4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C.
100 to 150
350 to 450
550 to 650
700 to 850
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm3 /ton of dry coal.
60
160
500
750
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the
requirement of large volume combustion chamber.
risk of explosion.
chances of clinker formation.
incomplete combustion of coal.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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