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Fuels and Combustion

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

65
120
30
180

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Fuels and Combustion
Coal tar (produced by high temperature carbonisation) is the main source of

Alphatic compounds
Aromatic compounds
Paraffins
Olefins

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Fuels and Combustion
Orsat apparatus

Can
Determines N₂ in flue gas indirectly
Gives flue gas analysis on dry basis
All of these

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Fuels and Combustion
Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the

Solvent recovery from air and gases
Electrode manufacture
Decolourisation of sugar
Absorption of gases and vapor

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Fuels and Combustion
__________ of the coal is the basis for Seylor's coal classification.

Caking index
Proximate analysis
Calorific value
Ultimate analysis

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Fuels and Combustion
In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.

Yield percentage of coke
Difference in gross & net calorific value of the coke oven gas
Yield of ammonia present in coke oven gas
Free carbon content in tar

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