Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 10 20 0 12.5 10 20 0 12.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Coking tendency Size stability Clinkering tendency Caking tendency Coking tendency Size stability Clinkering tendency Caking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CO₂ & H₂ CH₄ & H₂ CO & N₂ CO & H₂ CO₂ & H₂ CH₄ & H₂ CO & N₂ CO & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of methane in coke oven gas may be around 5 25 50 15 5 25 50 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Steel ladle drying Coke oven battery heating Mixing with blast furnace gas Hot scarfing of steel slabs Steel ladle drying Coke oven battery heating Mixing with blast furnace gas Hot scarfing of steel slabs ANSWER DOWNLOAD EXAMIANS APP