Fuels and Combustion For maximum discharge through a chimney, its height should be Equal to the height of the hot gas column producing draught Infinitely long 200 meters More than 105.7 metres Equal to the height of the hot gas column producing draught Infinitely long 200 meters More than 105.7 metres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CH₄ & H₂ CO₂ & H₂ CO & N₂ CO & H₂ CH₄ & H₂ CO₂ & H₂ CO & N₂ CO & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have High fusion point of its ash High bulk density Less moisture content Lower ash content High fusion point of its ash High bulk density Less moisture content Lower ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Yield of gas and tar All of these Time of carbonisation Fuel consumption in coking Yield of gas and tar All of these Time of carbonisation Fuel consumption in coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 65 120 180 30 65 120 180 30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Temperature Oxygen Smoke Carbon monoxide Temperature Oxygen Smoke Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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