Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 22 1 46 7 22 1 46 7 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 25 10 50 75 25 10 50 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have High fusion point of its ash Low ignition temperature Very little ash content Low adiabatic flame temperature High fusion point of its ash Low ignition temperature Very little ash content Low adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of BaSO₄ & NaCl MgCO₃ & NaCl MgSO₄ & BaCl₂ MgO & Na₂CO₃ BaSO₄ & NaCl MgCO₃ & NaCl MgSO₄ & BaCl₂ MgO & Na₂CO₃ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal All of these Facilitates combustion with lower excess air Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature All of these Facilitates combustion with lower excess air Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash ANSWER DOWNLOAD EXAMIANS APP
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