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Fuels and Combustion

Fuels and Combustion
Ammonia content in raw coke oven gas is about __________ gm/Nm³.

15
50
100
1

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Fuels and Combustion
In low temperature carbonisation of coal, the

Yield of coke oven gas is 290 Nm³ /ton dry coal
Yield of tar is about 3% of dry coal
Volatile matter in coke is zero
Temperature maintained is 700°C

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Fuels and Combustion
Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about

Same as that of coal middling
25000 kcal/kg
8800 kcal/kg
8800 kcal/m³

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Fuels and Combustion
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

Ammonia
Tar
None of these
Benzol

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Fuels and Combustion
Fuel for a fast breeder nuclear reactor is

Radium
Neptunium
Plutonium
Uranium

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Fuels and Combustion
Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher

Difference in gross & net calorific value
Higher C/H ratio
Sulphur content
Calorific value

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