Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Sub-bituminous coal Blast furnace coke Low temperature coke Anthracite coal Sub-bituminous coal Blast furnace coke Low temperature coke Anthracite coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 50 500 10 0.5 50 500 10 0.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Transport the coal to the burner Dry the coal Ensure efficient burning of coal around the burner Reduce primary air requirement Transport the coal to the burner Dry the coal Ensure efficient burning of coal around the burner Reduce primary air requirement ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Facilitates combustion with lower excess air All of these Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature Facilitates combustion with lower excess air All of these Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Remains same Increases May increase or decrease ; depends on the type of fuel Decreases Remains same Increases May increase or decrease ; depends on the type of fuel Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Ammonia & phenol Benzene, toluene & xylene Anthracene & phenol Tar & creosote Ammonia & phenol Benzene, toluene & xylene Anthracene & phenol Tar & creosote ANSWER DOWNLOAD EXAMIANS APP
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