Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Natural gas Coke oven gas Blast furnace gas Sewage gas Natural gas Coke oven gas Blast furnace gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 8 22 36 12 8 22 36 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Volatiles Moisture Iron Ash Volatiles Moisture Iron Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Incomplete combustion of coal Chances of clinker formation Risk of explosion Requirement of large volume combustion chamber Incomplete combustion of coal Chances of clinker formation Risk of explosion Requirement of large volume combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Low ignition temperature Low adiabatic flame temperature High fusion point of its ash Very little ash content Low ignition temperature Low adiabatic flame temperature High fusion point of its ash Very little ash content ANSWER DOWNLOAD EXAMIANS APP