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Fuels and Combustion

Fuels and Combustion
Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.

280-300
250-270
200-300
80-170

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Fuels and Combustion
C/H ratio is the maximum in case of

Naphtha
Furnace oil
Natural gas
Coal

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Fuels and Combustion
White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is

Coke oven gas
Tar
Pulverised coke
Pitch

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Fuels and Combustion
__________ present in coal is not determined in its ultimate analysis.

Fixed carbon
Hydrogen
Total carbon
Nitrogen

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Fuels and Combustion
Calorific value of wood gas is about __________ kcal/Nm³.

3300
8500
1500
5400

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Fuels and Combustion
The pyragallol solution used in orsat apparatus can absorb

Only O₂
All of these
Both O₂ and CO₂
Both O₂ and CO

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