Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Natural gas Blast furnace gas Coke oven gas Sewage gas Natural gas Blast furnace gas Coke oven gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 8 12 36 22 8 12 36 22 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 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 Requirement of large volume combustion chamber Risk of explosion Incomplete combustion of coal Chances of clinker formation Requirement of large volume combustion chamber Risk of explosion Incomplete combustion of coal Chances of clinker formation 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 Low ignition temperature High fusion point of its ash Low adiabatic flame temperature Very little ash content Low ignition temperature High fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
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