Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 36 28 6 18 36 28 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 20 11 2 38 20 11 2 38 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 Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber Chances of clinker formation Incomplete combustion of coal Risk of explosion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Nitrogen Hydrogen Total carbon Fixed carbon Nitrogen Hydrogen Total carbon Fixed carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) GCV at constant pressure GCV at constant volume NCV at constant pressure NCV at constant volume GCV at constant pressure GCV at constant volume NCV at constant pressure NCV at constant volume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 10 0 12.5 20 10 0 12.5 20 ANSWER DOWNLOAD EXAMIANS APP
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