Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Blast furnace gas Water gas Natural gas Coke oven gas Blast furnace gas Water gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Very low calorific value coke oven gas Metallurgical coke Soft coke No by-products Very low calorific value coke oven gas Metallurgical coke Soft coke No by-products ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Coke making Burning on travelling grate Burning on firebars All of these Coke making Burning on travelling grate Burning on firebars All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always positive Is always negative Can't be known without calculating it Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it Is equal to the heat of formation 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 Chances of clinker formation Risk of explosion Incomplete combustion of coal Requirement of large volume combustion chamber Chances of clinker formation Risk of explosion Incomplete combustion of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load ANSWER DOWNLOAD EXAMIANS APP
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