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Fuels and Combustion

Fuels and Combustion
Carbon Content by weight in air dried wood may be about __________ percent.

80
50
10
25

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Fuels and Combustion
Caking index of coal blend used for blast furnace coke making is about

22
8
36
12

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Fuels and Combustion
Moisture loss is determined by the

Both A and B
Moisture content of fuel
The water formed by combustion reaction
Humidity of combustion air

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Fuels and Combustion
Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.

8000
1000
6000
4000

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Fuels and Combustion
Coal is pulverised before burning in large capacity boiler furnaces mainly to

Enhance its calorific value
Facilitate easy ash removal
Ensure its complete combustion
Provide trouble free operation

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Fuels and Combustion
The most matured coal out of the following is

Bituminous
Sub-bituminous
Semi-anthracite
Lignite

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MORE MCQ ON Fuels and Combustion

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