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Fuels and Combustion

Fuels and Combustion
Which of the following is not a micro component present in coal?

Liptinite
Clarain
Fusinite
Micrinite

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Fuels and Combustion
'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent.

7.5
14.5
10.5
2.5

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Fuels and Combustion
Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C.

65
180
120
30

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Fuels and Combustion
Undercharging of coal in the by-product coke ovens results in

Increase in its throughput
No change in the c.v. of coke oven gas
Increase in the c.v. of coke oven gas
Decrease in the c.v. of coke oven gas

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Fuels and Combustion
Flue gas from the heating chamber of byproduct coke ovens is removed by

Steam ejector
Forced draft fan
Induced draft fan
Natural draft

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Fuels and Combustion
Calorific value of furnace oil is about __________ Kcal/kg.

20000
5000
10000
15000

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