Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively CO, O₂, CO₂ O₂, CO₂, CO CO₂, O₂, CO CO₂, CO, O₂ CO, O₂, CO₂ O₂, CO₂, CO CO₂, O₂, CO CO₂, CO, O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO₂ & H₂ CO & N₂ CO & H₂ CO₂ & N₂ CO₂ & H₂ CO & N₂ CO & H₂ CO₂ & N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Ash Iron Moisture Volatiles Ash Iron Moisture Volatiles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Increases the time of carbonisation None of these May damage its walls due to abrupt excessive swelling of coal Produces larger size coke Increases the time of carbonisation None of these May damage its walls due to abrupt excessive swelling of coal Produces larger size coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Critical air blast (CAB) value Porosity Both B and C Coke reactivity index (CRI) Critical air blast (CAB) value Porosity Both B and C Coke reactivity index (CRI) ANSWER DOWNLOAD EXAMIANS APP