Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Calorific value Ultimate analysis Proximate analysis Caking index Calorific value Ultimate analysis Proximate analysis Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Lump coal (fixed on chain grate) Furnace oil Pulverised coal Coke oven gas Lump coal (fixed on chain grate) Furnace oil Pulverised coal Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Burns completely Gives smokeless burning None of these Shows little or no fusing action Burns completely Gives smokeless burning None of these Shows little or no fusing action ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? Bituminous coal None of these Lignite Anthracite coal Bituminous coal None of these Lignite Anthracite coal 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 Requirement of large volume combustion chamber Risk of explosion Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber Risk of explosion Chances of clinker formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Calorific value increases sometimes Clinkering tendency during combustion increases None of these Bulk density always decreases Calorific value increases sometimes Clinkering tendency during combustion increases None of these Bulk density always decreases ANSWER DOWNLOAD EXAMIANS APP
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