Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 15 100 1 50 15 100 1 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Caking tendency Size stability Coking tendency Clinkering tendency Caking tendency Size stability Coking tendency Clinkering tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Condensation of water vapour from the fuel gas None of these Long flame Heat losses Condensation of water vapour from the fuel gas None of these Long flame Heat losses ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Carbonisation Gasification None of these Hydrogenation Carbonisation Gasification None of these Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Speed of the fan All of these Variation in the pitch of the fan blades Damper Speed of the fan All of these Variation in the pitch of the fan blades Damper ANSWER DOWNLOAD EXAMIANS APP
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