Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Caking tendency Coking tendency Size stability Clinkering tendency Caking tendency Coking tendency Size stability Clinkering tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 1150 950 550 750 1150 950 550 750 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Low adiabatic flame temperature Very little ash content High fusion point of its ash Low ignition temperature Low adiabatic flame temperature Very little ash content High fusion point of its ash Low ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of blast furnace gas is H₂ CO N₂ CO₂ H₂ CO N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem in door cleaning Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem in door cleaning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Increases its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Does not affect its consumption in the furnace Increases its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Does not affect its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
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